So you've decided to take the leap and add a cat-back exhaust system to your car. Will it work without a tune? Here's what ...

Noticed your motorcycle exhaust turning blue? Learn why it happens, what it means for your bike, and if you should be concerned.

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

The EER or Energy Efficiency Ratio measures the cooling efficiency of an air conditioner or HVAC system, determined by ...

In extreme cases, a runway could simply be too short to accommodate the heaviest planes in the hottest weather. One study ...

Less recognized has been the impact of the air we breathe indoors, even though we spend about 90% of our time inside, says ...

Trump signed measures today revoking waivers for the state’s mandates that clean up car and truck exhaust and ramp up sales of electric vehicles. California and 10 other states immediately sued and ...

NYC startup Aircela develops carbon-neutral gasoline from air to help reduce emissions in hard-to-electrify sectors.

Once the smoke rises high enough into the atmosphere, strong winds can carry it across regions, allowing smoke from Canadian ...

Lucid Air Touring truly EV perfection? Our review explores its stunning performance, luxurious interior, and groundbreaking ...

A Code Orange Air Quality Action Day has been issued for parts of the Pittsburgh area on Thursday.

Mercedes domination at the early stages of the hybrid era began with the W05, a car that tied together multiple design ...