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Emissions

NHTSA and the EPA will increase the stringency of corporate average fuel economy (CAFE) and CO2 emissions standards by 1.5% each year through model-year 2026, as compared with previous standards that would have required about 5% annual increases.

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New Chevron Engine Oil Reduces DPF Ash by 60%

Chevron says its new heavy-duty diesel engine oil is so effective at reducing DPF soot that exhaust systems could once again become hands-off maintenance items for some long-haul fleets.