eight-speed

Derrick Kuzak, Ford Group Vice President of Global Product Development, has confirmed that the Dearborn automaker will offer turbocharged EcoBoost powertrains in 90 percent of its vehicles here in the United States by 2013. This journey for (nearly) full-line forced-induction started with the ...

How many gears are enough? While it seems that six-speed automatic transmissions are just now becoming the de facto standard in most circles, Mercedes-Benz has been working with seven ratios for a while now and Lexus did its German rival one better by designing its own eight-speed. Not content to ...

Last year, Lexus became the first automaker to introduce a production eight-speed automatic transmission in the latest LS460. Recently, German transmission manufacturer ZF announced a new eight-speed of its own which is claimed to provide a 14-percent boost in fuel efficiency compared to a ...

In the name of increased efficiency, and quite possibly playing the game of automotive one-upmanship, luxury automakers such as Mercedes Benz, BMW and Lexus have been adding more and more gear ratios to their automatic transmissions. By allowing a computer to choose the most appropriate ratio for ...