One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

The Gen III TacIRST distributed infrared threat‑warning system will equip the F-22 Raptor, with an evaluation planned in 2026. Lockheed Martin has announced the first flight of the latest iteration of ...

Among the many problems with the flu is the fact that you can spread the virus before you even know you've got it. An experimental new "sensor" could one day keep you from doing so, by causing you to ...

The X-37B's eighth orbital mission will start with a liftoff atop a SpaceX Falcon 9 rocket. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The U ...

The U.S. Space Force expects to launch the eighth X-37B mission no earlier than Aug. 21. Credit: U.S. Space Force The U.S. Space Force plans to use its X-37B orbital test vehicle to conduct ...

The facility, whose exact location has not been disclosed yet, will be used to support commercial, military and government programs, including ISR and electronic warfare platforms such as the G550 ...

(The Center Square) — Toyota has begun construction of a $50-million-plus expansion project at an Arizona testing facility. The new amenities will include a 5.5-mile oval track, an off-road park, new ...

Toyota has released a new trim for its largest SUV: the 2025 Toyota Sequoia 1794 Edition. The 1794 Edition trim has been available on the Tundra full-size truck for a couple years, but it was just ...

WITTMAN, AZ (AZFamily) — Toyota is making big moves in Arizona, announcing Wednesday that it has broken ground on a more than $50 million investment to expand the Arizona Proving Grounds, where cars ...

This week we're back in SUVs—and we mean SUVs. Welcome back to another week of test cars. This week we're spending time with the 2025 Toyota 4Runner, which was the first new vehicle launch we attended ...