Snow and jet engines have a complicated relationship. On one hand, winter operations in many countries, including the US, ...

Abstract: The research here is combining an investigation of performance and emission properties of a VCR diesel engine operated with a B20 mixture of tamarind seed oil biodiesel. These experiments ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

Mercedes receive a blow from the FIA regarding accusations they are cheating with their engine compression rates, something that threatens to become a scandal overshadowing the 2026 Formula 1 season.

SAKHIR, Bahrain — Toto Wolff called suggestions that Mercedes’ Formula 1 engine could be illegal “total bulls—” amid the ongoing compression ratios row that he said was a “storm in a teacup.” It ...

An update has been announced regarding the geometric compression ratio controversy that has hit the start of the 2026 F1 season, following a meeting of the F1 commission. During the second round of ...

A simmering technical row in Formula 1 is hurtling toward a decisive moment, as the sport’s five engine manufacturers prepare to cast votes that could redraw the fine print of the 2026 power unit ...

The Formula 1 power unit compression ratio loophole that Mercedes has taken advantage of and which had left rivals frustrated is set to be closed—but only for the second half of the season. Mercedes, ...

A political firestorm has been brewing in Formula 1 in recent weeks and months over whether engine manufacturers have found a loophole in the new 2026 technical regulations. Mercedes and Red Bull may ...

The organization's announcement could finally bring a huge contention point regarding the 2026 regulations to a close if the rule change goes ahead. It has been a strange few weeks in the world of ...

Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...