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Study suggests high-mileage light-duty fleets contribute higher emissions and emissions share than expected

Green Car Congress

A study by researchers from the University of Denver and the University of Puget Sound indicates that high-mileage light-duty fleets contribute higher emissions and emissions share than expected based on their actual numbers in the fleet. of the registered vehicles (2000/325000). In their study, Bishop et al. Bishop, Donald H.

Emissions 150
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The New Supersonic Boom

Cars That Think

Piloting the bullet-shaped Bell X-1 rocket plane in 1947, Chuck Yeager became the first person to exceed the speed of sound while in horizontal flight. Fourteen production aircraft were manufactured, but one was scrapped in 1994 and another crashed in 2000.). Everett Collection/Alamy.