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Approved Oil confirms renewable diesel reliability during one of New York City’s coldest winters in over 6 decades
Despite prolonged cold weather, renewable diesel supplied by Approved Oil powered critical vehicles and equipment with no weather-related fuel disruptions.
Approved Oil Co.
2 days ago2 min read
Registration open for AGQM’s 2026 biodiesel, vegetable oil, UCO round-robin tests
Laboratories from across the globe are invited to register by Feb. 20 and become part of one of the world’s most comprehensive quality-assurance programs in this field.
AGQM
Feb 92 min read
AGQM launches 2026 round of no-harm tests for biodiesel additives
The annual no-harm tests check oxidation stabilizers and cold-flow improvers to ensure they do not cause negative interactions with fuel, other additives or engines.
AGQM
Jan 191 min read
Feedstock Quality for Biobased Diesel Isn’t Always What’s Expected or What It Appears
From the Winter 2026 print edition of Biobased Diesel®, Richard Heiden describes advanced testing services that flag impurities other tests miss.
Richard Heiden
Jan 146 min read
