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by Karl Henkel
The Detroit News
May 20, 2013
Automobiles with four-cylinder engines already comprise more than half of U.S. new-vehicle sales, and that number could grow to two-thirds by the end of the decade, according to projections by Ford Motor Co.
The shift to the smaller engines is a result of strict federal fuel-efficiency standards — known as Corporate Average Fuel Economy, or CAFE — and means a growing share of cars, SUVs and trucks will join the four-cylinder fray by 2020.
