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Toyota Prius (XW20)
The Toyota Prius is a full series-parallel hybrid electric compact car developed and manufactured by the Toyota Motor Corporation. The second generation Prius had been completely redesigned as a compact Kammback. The XW20 series represented the second generation of the Toyota Prius, replacing its XW10 predecessor. The United States Environmental Protection Agency (EPA) and California Air Resources Board (CARB) rated the Prius as among the cleanest vehicles sold in the United States based on smog forming and toxic emissions in 2008. Toyota sold about 1,192,000 units of the second generation Prius worldwide. Development In 1999, Toyota began development on a second generation Prius under chief engineer Shigeyuki Hori. In 2001, Hiroshi Okamoto's exterior design was approved and frozen for production. In 2003, the Prius was completely redesigned as a compact liftback, with redistributed mechanical and interior space significantly increasing rear-seat legroom and luggage room. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toyota
is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 million vehicles per year. The company was originally founded as a spinoff of Toyota Industries, a machine maker started by Sakichi Toyoda, Kiichiro's father. Both companies are now part of the Toyota Group, one of the largest conglomerates in the world. While still a department of Toyota Industries, the company developed its first product, the Type A engine in 1934 and its first passenger car in 1936, the Toyota AA. After World War II, Toyota benefited from Japan's alliance with the United States to learn from American automakers and other companies, which would give rise to The Toyota Way (a management philosophy) and the Toyota Production System (a lean manufacturing practice) that would transform the small company into a leader in t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toyota Prius (XW10)
The Toyota Prius (XW10) is a subcompact hybrid car that was produced by Toyota between 1997 and 2003 in Japan. The XW10 is divided into the NHW10 and its NHW11 counterpart, both of which represent the first generation of Prius series. The Toyota Prius is the first mass-produced hybrid car, and was released 2 years ahead of other manufacturers. While the NHW10 was available exclusively to Japan, it was subsequently introduced to worldwide markets in September 2000 with the NHW11. Toyota sold about 123,000 first generation Prius. Toyota's XW10 series Prius is notable as the first vehicle based on the Toyota MC platform. Planning and concept On 16 January 1992, the Toyota Motor Corporation announced the Earth Charter, a document outlining goals to develop and market low emission vehicles. In September 1993, Toyota R&D Executive Vice President Yoshirio Kimbara created G21, a committee to research cars for the 21st century. On 1 February 1994, the first official meeting of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toyota Paris 6
is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 million vehicles per year. The company was originally founded as a spinoff of Toyota Industries, a machine maker started by Sakichi Toyoda, Kiichiro's father. Both companies are now part of the Toyota Group, one of the largest conglomerates in the world. While still a department of Toyota Industries, the company developed its first product, the Type A engine in 1934 and its first passenger car in 1936, the Toyota AA. After World War II, Toyota benefited from Japan's alliance with the United States to learn from American automakers and other companies, which would give rise to The Toyota Way (a management philosophy) and the Toyota Production System (a lean manufacturing practice) that would transform the small company into a leader in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drag Coefficient
In fluid dynamics, the drag coefficient (commonly denoted as: c_\mathrm, c_x or c_) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water. It is used in the drag equation in which a lower drag coefficient indicates the object will have less aerodynamic or hydrodynamic drag. The drag coefficient is always associated with a particular surface area. The drag coefficient of any object comprises the effects of the two basic contributors to fluid dynamic drag: skin friction and form drag. The drag coefficient of a lifting airfoil or hydrofoil also includes the effects of lift-induced drag. The drag coefficient of a complete structure such as an aircraft also includes the effects of interference drag. Definition The drag coefficient c_\mathrm d is defined as c_\mathrm d = \dfrac where: * F_\mathrm d is the drag force, which is by definition the force component in the direction of the flow velocity; * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chiba University
is a national university in the city of Chiba, Japan. It offers Doctoral degrees in education as part of a coalition with Tokyo Gakugei University, Saitama University, and Yokohama National University. The university was formed in 1949 from existing educational institutions in Chiba Prefecture, and over a period of years absorbed Chiba Medical University (1923-1960), a preparatory department of the Tokyo Medical and Dental University, Chiba Normal School (1872-1951), Tokyo Polytechnic High School (1914-1951), Chiba Horticultural High School, among others. Chiba University was reincorporated in 2010 under the ''National University Corporation Act''. Chiba University has been ranked 168th on the Asia University Rankings 2019 Top 100 by "The Times Higher Education". Its abbreviated form is Chibadai (千葉大). Currently, Chiba University consists of nine faculties, the university library, the university hospital and other educational and research facilities. With 11,179 students in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shigeyuki Hori
Shigeyuki Hori is the principal designer of Toyota's acclaimed Hybrid Synergy Drive hybrid motor system which is in use by several vehicles including the Prius and Lexus RX Hybrid. An executive chief engineer in Toyota Motor Corporation, Dr. Hori served as chief engineer for more vehicles simultaneously than any other person in the company's history, by taking charge of the Prius, Celica, MR2, Caldina, Opa, Avensis, and Scion tC development efforts in the early to mid-2000s. Career Shigeyuki Hori spent nine years studying at the University of Tokyo , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project b ..., where he earned a PhD in bioengineering. At Toyota Motor Corporation, he developed the Toyota Cost Calculation System, a method of determining the cost of each part that goes into a ve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Motor Vehicle Emissions
Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as natural gas, gasoline (petrol), diesel fuel, fuel oil, biodiesel blends, or coal. According to the type of engine, it is discharged into the atmosphere through an exhaust pipe, flue gas stack, or propelling nozzle. It often disperses downwind in a pattern called an ''exhaust plume''. It is a major component of motor vehicle emissions (and from stationary internal combustion engines), which can also include crankcase blow-by and evaporation of unused gasoline. Motor vehicle emissions contribute to air pollution and are a major ingredient in the creation of smog in some large cities. A 2013 study by the Massachusetts Institute of Technology (MIT) indicates that 53,000 early deaths occur per year in the United States alone because of vehicle emissions. According to another study from the same university, traffic fumes alone cause the death of 5,000 people every year just in the United Kingdom. C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Smog
Smog, or smoke fog, is a type of intense air pollution. The word "smog" was coined in the early 20th century, and is a portmanteau of the words ''smoke'' and '' fog'' to refer to smoky fog due to its opacity, and odor. The word was then intended to refer to what was sometimes known as pea soup fog, a familiar and serious problem in London from the 19th century to the mid-20th century. This kind of visible air pollution is composed of nitrogen oxides, sulfur oxide, ozone, smoke and other particulates. Man-made smog is derived from coal combustion emissions, vehicular emissions, industrial emissions, forest and agricultural fires and photochemical reactions of these emissions. Smog is often categorized as being either summer smog or winter smog. Summer smog is primarily associated with the photochemical formation of ozone. During the summer season when the temperatures are warmer and there is more sunlight present, photochemical smog is the dominant type of smog formation. Du ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Air Resources Board
The California Air Resources Board (CARB or ARB) is the "clean air agency" of the government of California. Established in 1967 when then-governor Ronald Reagan signed the Mulford-Carrell Act, combining the Bureau of Air Sanitation and the Motor Vehicle Pollution Control Board, CARB is a department within the cabinet (government), cabinet-level California Environmental Protection Agency. The stated goals of CARB include attaining and maintaining healthy air quality; protecting the public from exposure to toxic air contaminants; and providing innovative approaches for complying with air pollution rules and regulations. CARB has also been instrumental in driving innovation throughout the global automotive industry through programs such as its ZEV mandate. One of CARB's responsibilities is to define United States emission standards, vehicle emissions standards. California is the only state permitted to issue emissions standards under the federal Clean Air Act (United States), Clean ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Environmental Protection Agency
The Environmental Protection Agency (EPA) is an independent executive agency of the United States federal government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on December 2, 1970, after Nixon signed an executive order. The order establishing the EPA was ratified by committee hearings in the House and Senate. The agency is led by its administrator, who is appointed by the president and approved by the Senate. The current administrator is Michael S. Regan. The EPA is not a Cabinet department, but the administrator is normally given cabinet rank. The EPA has its headquarters in Washington, D.C., regional offices for each of the agency's ten regions and 27 laboratories. The agency conducts environmental assessment, research, and education. It has the responsibility of maintaining and enforcing national standards under a variety of environmental laws, in consultation with state, tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kammback
A Kammback—also known as a Kamm tail or K-tail—is an :Automotive styling features, automotive styling feature wherein the rear of the car slopes downwards before being abruptly cut off with a vertical or near-vertical surface. A Kammback improves aerodynamic drag, thus improving efficiency and fuel consumption, while maintaining a practical shape for a vehicle. The Kammback is named after German Aerodynamics, aerodynamicist Wunibald Kamm for his work developing the design in the 1930s. Some vehicles incorporate the kammback design based on aerodynamic principles, while some use a cut-off tail as a design or marketing feature. Origins As the speed of cars increased during the 1920s and 1930s, designers observed and began to apply the principles of automotive aerodynamics. As Drag (physics), aerodynamic drag increases, more energy, and thus more fuel, are required to advance a vehicle. In 1922, Paul Jaray patented a car based on a teardrop profile (i.e. with a rounded n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Compact Car
Compact car is a vehicle size class — predominantly used in North America — that sits between subcompact cars and mid-size cars. "Small family car" is a British term and a part of the C-segment in the European car classification. However, prior to the downsizing of the United States car industry in the 1970s and 1980s, larger vehicles with wheelbases up to were considered "compact cars" in the United States. In Japan, small size passenger vehicle is a registration category that sits between kei cars and regular cars, based on overall size and engine displacement limits. United States Current definition The United States Environmental Protection Agency (EPA) ''Fuel Economy Regulations for 1977 and Later Model Year'' (dated July 1996) includes definitions for classes of automobiles. Based on the combined passenger and cargo volume, compact cars are defined as having an ''interior volume index'' of . 1930s to 1950s The beginnings of U.S. production of compact cars we ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
