Steve Swedberg reminds us that, while PC-11 is finally settled, GF-6 still has a long way to go.

Market, test, go! With just six months left to roll out the new API CK-4 and FA-4 category products, Phillips 66 gives u …

The American Petroleum Institute invoked provisional licensing for passenger car engine oil categories ILSAC GF-5 and AP …

Steve Swedberg has some suggestions for educating consumers about the new CK-4 and FA-4 categories.

Potentially working away right under your nose, family-run Syn-Tech Ltd.s highly specialized, small volume lubricants ar …

On Jan. 1, a law went into effect in California prohibiting engine oils deemed obsolete by the American Petroleum Instit …

The American Petroleum Institute will discontinue licensing the use of the Energy Conserving designation with its API SL …

Steve Swedberg discusses vehicle care in the age of the absent gas station attendant.

At last weeks meeting of the American Petroleum Institutes Lubricants Group in San Antonio, Texas, ballot results were a …

Engine oil marketers hoping to license new products with the American Petroleum Institute or General Motors proprietary …

Steve Swedberg examines the 90-second future of oil changes.

With polyalphaolefin demand growing faster than supply, Illinois renewables company Elevance believes its plant-based ve …

Steve Swedberg bids farewell to his faithful GMC pickup and the many lubes that kept it running.

PC-11, the next heavy-duty engine oil category from the American Petroleum Institute, cleared several of its final hurdl …

AUSTIN, Texas – PC-11, the next heavy-duty engine oil upgrade, received the go-ahead from ASTM here last week. The new c …

Steve Swedberg rounds up and responds to readers comments and questions from the past year.

Steve Swedberg gives us a glimpse into the future of car engines (hint: its turbocharged!).

History shows that ideas about engine oil viscosity, codified in SAE J300, never stop changing.