Mileage Requirements: The Wrong Way to Cut Gasoline Use?
Over the last two years, soaring gasoline prices, post-9/11 concerns over energy independence, and growing awareness of carbon dioxide as a greenhouse gas all came together. Public demand forced the US Congress to strengthen fuel-economy standards last year, raising the requirement to 35 mpg by 2020. (The actual math is complex; each automaker has a slightly different target to meet, based on sales mix.)
Original post by zach