Aug 15 2009

Next-gen GM six-speed automatic to boost mileage another 5 percent

It’s only been a year since General Motors launched its 6T40 six-speed automatic transmission for mid-size and compact cars. When it was introduced, this new transmission brought with it a five percent bump in fuel efficiency. The engineers at GM Powertrain are now developing a second generation variant of the 6T40 for introduction in 2011 that will bump fuel efficiency by yet another five percent.

Q Full article, Source: AutoBlog