Toyota has launched two new small-displacement, Atkinson cycle engines that get 78 mpg. Built to power the Japanese-automaker’s Aygo commuter and the 2015 Lexus RC F, respectively, the new ...

How does the Atkinson cycle engine design work and why is it a good thing? Q: I read about Atkinson cycle engine design in a few magazines and reviews. Some give a short explanation of how this works ...

Toyota has just unveiled two new small engines that it says are more fuel efficient than previous engines thanks to a number of tricks and technologies pulled from its hybrid powertrains. The engines, ...

TOKYO -- Toyota Motor Corp. will unleash a blitz of 14 new gasoline engines through 2015 in a long-awaited powertrain overhaul that aims to boost fuel efficiency by at least 10 percent. The push ...