Cummins plans limited production of its model-year 2027 X15 and X10 engines beginning in January. The OEM will continue offering current-generation engines during the transition to newer models.

There's something almost comedic about regulators amending a rule for engines that don't exist yet. The heavy-duty NOx standards finalized back in December 2022 don't even take effect until model year ...

FIRST ON FOX: The Trump administration is proposing to slash Biden-era truck emissions regulations in a move officials say would save the trucking industry about $12 billion and ease supply chain ...

The Environmental Protection Agency on Thursday unveiled a proposal that, while leaving in place the actual emissions limits mandated in a 2023 final rule for model year 2027 engines, could put a ...

A few years ago, the idea of using hundreds of small engines to power gigawatts of data-center capacity would have seemed ridiculous. Not so today. More hyperscalers are seeking to hook their data ...

Fernando Alonso has said the algorithms dictating 2026 F1 cars' energy deployment must be "fixed and improved," amid continuing driver frustration with the new generation of power unit regulations.

Cadillac's Sergio Perez doubts that next year's cars will be nicer to drive. Rudy Carezzevoli/Getty Images BARCELONA — Formula 1 drivers have welcomed the decision to adjust the engine rules from next ...

Max Verstappen is fed up with repeating the same criticism of the 2026 Formula 1 cars time and time again, despite caring deeply about the sport’s product. After finishing on the podium at the Belgian ...

Formula 1, the FIA, teams, and power unit manufacturers have agreed on a two-step change in order to enhance the new engine ruleset. The new engine regulations, whereby there is a near 50/50 split—in ...

Back in 1994, financial adviser Bill Bengen came up with a retirement principle called the 4% rule. His idea went viral. Now, Bengen's rule is getting an update. The 4% rule says you should plan to ...