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The latest emissions news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks emissions across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.

The American Petroleum Institute approved the PC-12 diesel oil category earlier this year to help engine makers meet EPA 2027 rules requiring a 75% to 82.5% cut in nitrogen oxide emissions. Chevron's Delo 600 family uses synthetic dispersants and non-metallic anti-wear agents instead of ash-forming additives, reducing DPF clogging. The oils arrive January 1, 2027, and are backward compatible to 1998 engines.
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