How engine design has evolved to boost fuel efficiency, and where it's going from here.

Hybrids vehicles are great alternatives to traditional vehicles, but since they still use conventional fuel, they contribute ...

For those seeking a higher-mileage ride to beat skyrocketing fuel prices, here are the gas, hybrid and plug-in models that ...

Fouled or worn spark plugs can reduce efficiency, so swapping them for new plugs can help improve your car's fuel economy.

29 November 2006 — Yesterday at POWER-GEN, GE Energy announced a new Jenbacher J420 GS gas engine addition to its Type 4 engine family that is ideal for 60 Hz applications running at 1,800 rpm to ...

While the most fuel-efficient vehicles in the U.S. are still sedans and hatchbacks, there are now several SUVs that can ...

We may receive a commission on purchases made from links. When winter hits, it brings more than just chilly temperatures — it also brings a bunch of new challenges. Icy roads can decrease your grip ...

Nissan plans to introduce a new type of hybrid for the U.S. market that drives like an all-electric vehicle but is powered by ...

We’re reading the tea leaves in Ram’s new 2025 truck lineup, and it goes way beyond what you already know about the new Dodge Charger. There’s been some negative hype about the disappearance of V-8 ...

LEEDS, Alabama—Just how efficient can a fully loaded Class 8 tractor-trailer be? Shell sought to answer that question when designing its Starship 3.0, a Class 8 concept equipped with readily available ...