Photos: BMW Vision concept

BMW's experimental Vision sport coupe, shown at Germany's Frankfurt Motor Show, would get 75 miles per gallon. Electro-diesel vehicles planned for production include Volkswagen's L1, a 170-mpg tandem-seater due out in 2013.

BMW’s experimental Vision sport coupe, shown at Germany’s Frankfurt Motor Show, would get 75 miles per gallon. Electro-diesel vehicles planned for production include Volkswagen’s L1, a 170-mpg tandem-seater due out in 2013. (Dan Neil / Los Angeles Times)

Sept. 16, 2014 2:20 PM PT

BMW Vision concept

At the rear axle is a second electric motor, which gives the car essentially all-wheel drive. (Miguel Villagran / Getty Images)

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