Jeep's 545RFE automatic transmission had two second gears with different ratios. One of the "second gears" was for shifting ...

Jeep has never been shy about trying oddball engineering solutions in the name of off-road capability, but one of its ...

As automakers race to meet a federal mandate for an industry-wide fuel economy average of 54.5 mpg by 2025, engineers are squeezing more efficiency out of every part of their vehicles, including ...

Readers of a certain generation may fondly remember "10-speeds" — the upgrade bicycle from their single-speed kid's model. Those of us who know about semi-trucks know they've been using 10-speed ...

You’re taking a leisurely Sunday drive, cruising down the open road. Suddenly, you feel a slight jerk, and your car struggles to accelerate. What just happened? It’s time we demystify an ...

Among the US National Aeronautics and Space Admin.’s (NASA, Washington, DC, US) many missions is The Rotary Wing Project, established to increase helicopter speed, range and payload, while decreasing ...

MUNICH-- A debate is underway: Does the future belong to the automatic or to the dual clutch transmission? "The conventional stepped automatic transmission with a planetary design is absolutely ...

The automatic transmission is a critical component in today's search for improved fuel efficiency. In the search for better fuel mileage, engineers are concentrating on keeping an engine as close as ...

The manual transmission is more or less in terminal decline. Outside of a few niche enthusiast cars, buyers don’t want them. In most cases, those enthusiast cars perform better without driver input, ...

The number of transmission gears is growing at an unprecedented rate. In the 1990s, four speed-automatic and five-speed manual transmissions were the norm. Today, most automatic and manual ...