While most fuel economy gains will come from more efficient powertrains, shedding weight also can help. Automakers improve fuel economy about 1 percent for each 110 pounds they remove from their design, regardless of other changes.
While most fuel economy gains will come from more efficient powertrains, shedding weight also can help. Automakers improve fuel economy about 1 percent for each 110 pounds they remove from their design, regardless of other changes.