Toyota Mirai | fuel cell car manufacturing plant- National geographic Documentary

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The Toyota Mirai (from Mirai (未来), Japanese for "future") is a mid-size hydrogen fuel cell car manufactured by Toyota, one of the first such sedan-like vehicles to be sold commercially.[8][9] The Mirai was unveiled at the November 2014 Los Angeles Auto Show.[10] As of December 2017, global sales totalled 5,300 Mirais. The top-selling markets were the U.S. with 2,900 units, Japan with 2,100 and Europe with 200.[11]

Under the United States Environmental Protection Agency (EPA) cycle, the 2016 model year Mirai has a total range of 502 km (312 mi) on a full tank, with a combined city/highway fuel economy rating of 66 mpg‑US (3.6 L/100 km; 79 mpg‑imp) equivalent (MPG-equivalent), making the Mirai the most fuel-efficient hydrogen fuel cell vehicle rated by the EPA, and the one with the longest range.[7]

Sales in Japan began on 15 December 2014 at ¥6.7 million (~US$57,400) at Toyota Store and Toyopet Store locations. The Japanese government plans to support the commercialization of fuel-cell vehicles with a subsidy of ¥2 million (~US$19,600).[12] Retail sales in the U.S. began in August 2015 at a price of US$57,500 before any government incentives. Deliveries to retail customers began in California in October 2015.
According to Toyota, the FCV features a fuel cell system with an output power density of 3.0 kW/L, which is twice as high as that of its previous fuel cell concept, the Toyota FCHV-adv, delivering an output power of more than 100 kW, despite significant unit downsizing. The FCV uses Toyota's proprietary, small, light-weight fuel cell stack and two 70 MPa high-pressure hydrogen tanks placed beneath the specially designed body. The Toyota FCV concept can accommodate up to four occupants. For the full-scale market launch in 2015, the cost of the fuel cell system is expected to be 95% lower than that of the 2008 Toyota FCHV-adv.[23]

The FCV concept also uses portions of Toyota's Hybrid Synergy Drive technology including the electric motor, power control unit and other parts and components from its hybrid vehicles to improve reliability and minimize cost.[23] The hybrid technology is also used to work together with the fuel cell. At low speeds such as city driving, the FCV runs just like any all-electric car by using the energy stored in its battery, which is charged through regenerative braking. At higher speeds, the hydrogen fuel cell alone powers the electric motor. When more power is needed, for example during sudden acceleration, the battery supports the fuel cell system as both work together to provide propulsion
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