ENVIRON 157 Lecture Notes - Lecture 25: Smog, Electric Car, Biogas

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17 Aug 2020
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Transportation: fuels; electric vehicles; fuel cell vehicles; hydrogen; ev markets; societal issues. What is a hybrid electric vehicle: greater operating efficiency; Lighter engines: greater fuel efficiency, cleaner operation; and. Phevs are often described by their all-electric range, which is the distance the vehicle can travel with minimal usage of the internal combustion engine. A phev 30, for example, means the vehicle could travel 30 miles on all-electric mode. Electric cars come in three main types with differing power systems: fuel cell battery-electric plug-in hybrid electric cars. Battery-electric cars are all electric and don"t use gasoline, and instead have a large battery that powers one or more electric motors. Currently, battery-electrics have a driving range of 80 to more than 300 miles, with ranges increasing as new models are introduced. In addition, battery- electrics don"t require much maintenance (such as oil changes, smog checks, spark plug changes and replacing parts that wear out and break down) compared to gas cars.

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