Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why that is and what it means.

The rumoured compression ratio engine loophole adopted by Red Bull and Mercedes has been dismissed as only a "clever ...

Strictly defined, compression ratio is the total volume above the piston at bottom dead center (BDC), divided by the total volume above the piston at top dead center (TDC). First, let's look at the ...

A clever compression ratio trick in Formula 1's 2026 power units is the topic of discussion between teams and the FIA on ...

Teams are continuing to press for clarification from the governing body over a response to rumours that two engine ...

Ross Brawn has weighed in on the much-debated engine compression-ratio 'trick' that has been at the centre of discussion ...

Infiniti introduced the world's first variable compression-ratio engine, a technology it claims to have been working on for two decades, at the 2017 Los Angeles Auto Show. A variable compression-ratio ...

Ferrari, Audi and Honda have been unlucky. This Thursday, no decision was made to ban the 'trick' that Mercedes and Red Bull ...

When the next-generation Infiniti QX50 crossover arrives next year as a 2019 model, it will be powered by a 2.0-liter turbocharged four-cylinder engine introducing a technology never seen before in a ...

Ahead of F1 winter testing at Barcelona, the FIA will hold a meeting with technical experts, with all eyes on an alleged engine loophole used by Mercedes and Red Bull ...

As we near the end of the road for internal-combustion engines, manufacturers are spending big money to eke out small gains in fuel economy. The latest miracle is Nissan’s VC-T engine, the first ...

Strictly defined, compression ratio is the total volume above the piston at bottom dead center (BDC), divided by the total volume above the piston at top dead center (TDC). First, let's look at the ...