General Motors and Ford Motor Co. are using radically different strategies to raise the fuel economy of their thirstiest vehicles: trucks and performance cars. Ford, with its EcoBoost turbocharging technology, makes a small engine act big.
General Motors and Ford Motor Co. are using radically different strategies to raise the fuel economy of their thirstiest vehicles: trucks and performance cars. Ford, with its EcoBoost turbocharging technology, makes a small engine act big.