It gets even more confusing when trying to decide which kind of motor oil you should use. 10W-30, for example, sounds very close to 10W-40. After all, how different can they be? 10W-30 and 10W-40 ...

Wondering if rotary engines need oil changes? Learn how their lubrication works and why regular oil maintenance is still ...

Motor oil labels. These are the labels you'll find ... The more resistant oil is to thinning, the higher the second number (10W-40 versus 10W-30, for example) will be, and that's good.

Crack those knuckles, and massage some Voltaren on your scrolling fingers, because we're about to dig deep into the nuances of engine oil. 10W-30, 15W-40, 20W-50. We're sure you've seen these ...

With all that’s available, one should also be extremely careful that the correct oil viscosity is used in the engine. Designations on the label — such as 10W30 or 20W50 — tell the oil’s ...

SAN RAMON, Calif. — Chevron has announced the availability of a new heavy-duty engine oil it says will deliver better fuel economy than commonly used 15W-40 oils at a competitive price point. Ursa ...

Shell Lubricants has introduced Shell Rotella T6 10W-30 full synthetic heavy-duty engine oil, which provides the benefits of a full synthetic engine oil in the fastest growing viscosity grade for ...

TVS Motor Company had a semi-synthetic oil called the TRU4 Premium 4T 10W 30 that was launched back in 2010. Today, the company took a step forward and announced the launch of the fully synthetic ...