Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

Running a single mile — at about a 10-minute pace — consists of 1,700 steps. And each one of those steps produces ground reaction forces of about two and a half times your body weight. And you know ...

If you are anything like me, your wardrobe is packed to the max with pairs of leggings. But not all leggings are created equal, and each one has their given purpose. I have my favorite pair of ...

The holiday season exposes how tight diesel markets really are. Diesel demand during Christmas is price-insensitive and non-negotiable, leaving little margin for disruption as exports, refinery runs, ...

Many gas stations host diesel pumps that can be easily confused with gas pumps. Pumping diesel into your gas car can wreak havoc on its systems, forcing you to call a tow truck and mechanic.

The initiative is part of Vale’s continuous effort to lower carbon emissions in its rail operations. Credit: Wabtec Corporation. Locomotive manufacturer Wabtec and Vale have formalised an agreement to ...

In a college-entrance-exam landscape long dominated by the SAT and the ACT, a relative newcomer has started to gain traction—especially in red states. The Classic Learning Test, first unveiled a ...

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 ...

So, you’re driving a car at half the speed of light. (Both hands on the wheel, please.) You turn on the headlights. How fast would you see this light traveling? What about a person standing by the ...

You’re not imagining it — your legs start to feel heavy, swollen and tired after sitting or standing for a while. If you don’t move around every 60 to 90 minutes, fluid starts to build up in your ...