Efficient engines

Mazda is in the process of testing a car that runs on both hydrogen and gasoline (it's a dual fuel system). They're allowed to test the car on the public roads from Japan.

The Daihatsu Mira e:S was rated at 30km/ℓ on the JC08 fuel consumption test. It weighs 1,700lb and is powered by a 660cc i3...

Now, along with the crisis, the purchase of Chrysler and the upcoming electric vehicle trend, Fiat is also focusing on making older technologies better. TwinAir is the name of their new engine project, it has 2 cylinders, 0.9 liters and an amazing 85 HP.

Aircraft engines, specifically the turbojets that are used on aircraft from the humble passenger plane to the monstrous C-17, burns millions of tons of...

Perhaps you may know the Chevy Volt for being a remarkably fuel-conscious vehicle. Engineers at General Motors have produced a remarkable diesel-powered vehicle with...

I've been reading up on the news, a little, and it seems odd that while some makers garner rave reviews when they release a...

There was a sports car built in 1984 by Craig Henderson and Bill Green from Bellingham, Washington, and at that time it was able to set a record of 103.7 mpg for Guinness Book(in European terms, that's 2.27 liters/100km). Now they're reviving it with the help of the X-Prize Competition.

When we think fuel efficient, we might think hybrid or electric and this maxes out our brains at a little over 100mpge, so how...

The US Department of Energy (DOE) may not be looking for Optimus Prime, but they want his kind to be more fuel efficient.  In...

The internal combustion engine (ICE) may be old tech, finding its roots over a hundred years ago, but it’s certainly not dead. Toyota’s new...