3."Runabout Hatchback,"two-seat gasoline hybrid, mpg-e 50; runs on battery for 50 miles and then switches to gas engine; estimated MSRP $35,000; range 250 miles. 4. "Economy Hybrid," four-seat diesel hybrid, mpg-e 75; runs on battery for 75 miles and then switches to effi - cient diesel engine; estimated MSRP $38,000; range 300 miles. 5. "Economy Standard," five-seat economy standard gasoline, mpg 36; runs on gasoline with computer control for maximum efficiency; estimated MSRP $37,000; range 350 miles