Hydrogen combustion engines are inefficient, costly to maintain and worse for the environment than fuel cell or battery powertrains. But they're also noisy and fun, so automakers are starting to pitch ...

[Stay on top of transportation news: Get TTNews in your inbox.] Advanced researchers and engine makers say the internal combustion engine’s ability to be more efficient and run on greener fuels means ...

Many truck and engine OEMs have publicly stated their commitment to move away from fossil fuels in the coming decades, but most have not committed to completely toss the engine to the curb. Volvo ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

The globalized world showed us how connected we are in the most educational and cruel ways possible. If one country faces a disaster, a contagious disease, an industry disruption, or war, all others ...

Small, ultra-fast, primary and “afterburner” secondary combustion events promise to deliver brake thermal efficiency as high as 69 percent. A better mousetrap? Even now, as electrification seems ...

Over the past few years, truck and engine makers have generated a lot of buzz around developing zero-emission drivetrains to help meet climate and sustainability goals. Traditional OEMs and tech start ...

The original concept of combustion engines as we understand them dates as far back as the late 1800s. And while they are more or less a solved science today, they definitely didn't start that way.

Future cars will likely require a “mix" of power sources, according to the company’s chief hydrogen engineer. Although governments are pushing consumers and automakers to buy electric vehicles, ...

Alina has been enthusiastic about vehicles her entire life, and even from an early age found herself itching to get behind the wheel. Through high school and college, she could be found reading ...

Carmakers spent the past decade promising an all-electric future, yet the newest wave of multibillion‑dollar investments is ...