What is gasoline direct injection and how is it different from traditional methods of getting fuel into your car's engine?
New Buick models with direct injection engines offer "beefy" performance and better fuel efficiency.
At the 2013 Detroit auto show, Volkswagen unveiled two cars using key components for future fuel efficiency: a Passat with a new-generation direct-injection engine, and a concept car with a new hybrid system.
Automotive News reports on Mazda's new model plans.
In the inaugural episode of CNET On Cars, host Brian Cooley compares two big German luxury coupes, takes you inside Direct Injection tech, and runs down the Top 5 most powerful cars you can afford.
Automotive news reports on Hyundai's plans for fuel-efficient engines.
The new Mazda3 is available with a direct-injection engine, giving it a huge fuel economy boost and only a slight reduction to horsepower versus the larger, port-injection engine that's also available.
On this year's list, efficient engines using direct injection and forced induction play a big part, along with one hybrid, the Volt, and the Nissan Leaf's electric motor.
Kia comes up with a new large sedan for the U.S., but not until 2011.