Santa Monica, California – Americans are buying more small engines, thanks to improved technology and a push for better fuel efficiency, according to Edmund’s The company said that the proportion of vehicles sold in the U.S. with four-cylinder engines has climbed from 32 per cent in 2007 to more than 45 per cent so far this year, and in recent months, the four-cylinder engine has made up more than 50 per cent of sales.

“New technology has markedly improved the power density of four-cylinder engines, making them nearly as powerful and torque-productive as recent V6s,” said Ivan Drury, analyst at “Ford Motor Company, for example, now has a turbocharged 2.0-litre four-cylinder engine for its Explorer crossover, a vehicle that once was commonly fitted with a V8.”

According to the company’s April report, the number of retail customers for all Chevrolet models opting for four-cylinder engines climbed from 23 per cent in 2007, to 46 per cent through the first quart5er of 2011. The numbers are especially impressive given the disproportionate presence of full-size pickups within the brand’s sales mix, said.

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