The Chevrolet Sequel was a purpose-built hydrogen fuel cell-powered concept car and sport utility vehicle from Chevrolet, employing the then latest generation of General Motors' fuel cell technology.
The Sequel's powertrain includes an electronic control unit and a fourth-generation version of GM's fuel-cell stack. The Sequel became the basis for the design of the gas-powered Chevrolet Traverse, which was the replacement for the Uplander minivan.
Characteristics
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The Sequel's fuel-cell stack has a rated power output of 73 kW (98 hp), supplemented by a lithium-ion battery pack rated at 65Â kW. One 65Â kW electric motor drives the front wheels and individual 25Â kW wheel-motors (outboard of the rear brakes) drive each rear wheel, providing total tractive power of 115Â kW.
The Sequel stores 8Â kg of gaseous hydrogen in three cylindrical, carbon-composite fuel tanks, pressurized to 700 bar (10,000 p.s.i.) and mounted longitudinally beneath the cabin floor. As a result, the range of the vehicle is more than 480Â km.
The Sequel is just short of five metres long (4994Â mm, 196.1 in.), on a similarly long (3040Â mm, 119.7 in.) wheelbase, in order to accommodate the extremely long fuel tanks.
Possible production
GM made no commitment to building the Sequel. However, GM vice-chairman Bob Lutz has said he would push the company's strategy board to approve full production of a fuel-cell vehicle by 2011 model year. Due to the extremely high cost of fuel cells, GM opted to instead build several hydrogen-powered Chevrolet Equinox-based vehicles as testbeds. It then decided to change its direction of alternative-fueled vehicles, and unveiled the concept Volt in 2008, followed by the production version in 2010. As of October 2006, GM has built two Sequels.
See also
- General Motors Hy-wire
- Zero-emissions vehicle
References
External links
- CHEVROLET SEQUEL 300-MILE ZERO EMISSIONS FUEL CELL DRIVE
- Fahey, J. "GM's wild gamble." In Forbes #175, 25 April 2005, pp. 78â€"83.
- "The Architect behind the Reinvention of the Automobile"
