Formula 1’s new 2026 power units will debut at the Circuit de Catalunya in just over five weeks’ time, but questions over a grey area of the new regulations have already come to light. German outlet ...

GE may operate a GE9X on its Boeing 747-400 flying testbed for a trial period in Dubai in early 2026. Credit: GE Aerospace With ambient temperatures soaring to 45C (113F) and a persistent haze of dust ...

When discussing engine longevity, most enthusiasts and mechanics eventually get to the topic of compression. Compression is one of the most critical factors in engine health because it directly ...

PDF Squeezer is a powerful Mac compression tool that reduces PDF file size without losing quality. Perfect for email attachments, web uploads. PDF Squeezer for Mac is a specialized PDF compression ...

Watch how powerful a SpaceX Raptor engine looks while conducting a long duration test fire at a 15 degree gimbal. Views of the test in real-time and slow motion. Credit: SpaceX | mash mix: Space.com ...

Swiss marine power company WinGD and marine engine manufacturer Hanwha Engine have produced the world's first X72DF-2.2 VCR engine equipped with Variable Compression Ratio technology. This ...

South Korea’s Hanwha Engine has produced what it calls the world’s first X-DF engine equipped with variable compression ratio (VCR) technology for LNG carriers, designed to reduce methane slip by up ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

This Nissan engine recall applies to some, but not all, of the Variable Compression Turbo (VC-T) engines that Nissan built between 2019 and 2024. Available in 1.5-liter three-cylinder and 2.0-liter ...