Diesel & Emissions Systems

Diesel & Emissions Systems

Trump Pardons 9 Diesel Tuners Charged with Deleting Emissions Equipment

Former President Trump has pardoned nine individuals charged with illegal emissions tampering, a move that sparks debate over environmental enforcement and legal accountability.

OilSpec Guide Team
July 7, 2026

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Diesel & Emissions Systems

Russian Engineering Madmen Create Turbo-Style Alternator Driven by Exhaust

Russian engineers have created a turbo-style alternator powered by exhaust gases, promising increased efficiency in vehicle energy systems. Details are still emerging.

OilSpec Guide Team
July 5, 2026

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Diesel & Emissions Systems

Feds Killed Polestar and Spared Volvo. That Should Terrify You

U.S. regulators have approved safety standards impacting Polestar vehicles but exempted Volvo, raising concerns about industry bias and safety implications.

OilSpec Guide Team
June 26, 2026

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Diesel & Emissions Systems

Ash Accumulation in DPFs: How Oil Choice Influences Service Life

Your choice of engine oil directly impacts the lifespan of your DPF…

OilSpec Guide Team
April 26, 2026

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Diesel & Emissions Systems

Diesel Oil Thickening: When Viscosity Rise Is the Warning

Just when diesel oil thickens and viscosity rises, it signals potential engine issues—discover what causes this warning and how to address it.

OilSpec Guide Team
April 25, 2026

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Diesel & Emissions Systems

Stop-Start + DPF Vehicles: Why Oil Stress Can Be Higher Than Expected

How stop-start systems combined with DPFs increase engine oil stress and what you can do to protect your vehicle remains crucial to understand.

OilSpec Guide Team
April 25, 2026

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Diesel & Emissions Systems

EGR Coolers and Oil Contamination: How the Loop Can Feed the Sump

Noxious gases from faulty EGR coolers can contaminate engine oil, creating a damaging cycle that every driver should understand to protect their engine.