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 ...

Trump signed measures Thursday revoking waivers for the state's mandates that clean up car and truck exhaust and ramp up ...

The Ferrari 458 Speciale is one of the most praised modern Ferraris ever made—but is it truly worth the hype? 🔥 In this deep ...

Trump signed measures on Thursday revoking waivers for the state’s mandates that clean up car and truck exhaust and ramp up ...

Here's how to tell whether to go with a window a/c, portable unit, a ductless mini-spit, an evaporative cooler—or a combo of ...

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

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

An open-fan engine features a larger-diameter fan for better efficiency. As the accompanying nacelle would make the engine ...