Daikin has released a line of residential heat pumps, using propane (R290) as the refrigerant, with outdoor unit dimensions ...

Researchers aim to meld the best attributes of both the power-dense two-stroke and the vastly cleaner four-stroke engines.

Porsche's six strokes include the four familiar ones: intake, compression, power, and exhaust. But it inserts an additional ...

Porsche's six strokes include the four familiar ones: intake, compression, power, and exhaust. But it inserts an additional compression and power stroke in the middle (following the first power stroke ...

Like the Air sedan, Lucid’s first SUV has impressive tech and driving dynamics. Can EV range over 400 miles help the Gravity ...

Harley-Davidson has had decades to distill down the essentials of a capable and comfortable big-bore cruiser, and it all ...

Chrysler's Mopar crate engines are incredibly powerful. Fortunately for enthusiasts, they're also reasonably priced, with ...

Here's what weather does to the batteries under your EV, and a few steps you can take to help them last longer.

Fortunately, researchers at the U.S. Department of Defense (DOD)’s Aerospace and Air Force Research Laboratories (AFRL) are ...

With this view, knowing which the least powerful cruisers are on sale will be helpful to the rider looking for his or her ...

The same engines are used for all kinds of motorcycles at the budget end to save R&D costs, which has given us a rash of ...

What’s the best MTB suspension fork of 2025? To find out, we tested 8 of the top forks for trail and enduro mountain bikes.