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The new EPA diesel exhaust fluid standard is useless
EPA’s March 2026 DEF guidance (IACD-2026-05) does NOT eliminate the Diesel Exhaust Fluid system. Lee Zeldin’s latest letter allows alternate NOx sensors and gradual derates, but falls short of promised relief for truckers and farmers. Why this half-measure misses the mark.
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EPA endangerment finding reversed!
Trump EPA eliminates Obama-era Endangerment Finding in historic deregulation: lower vehicle emissions standards, more classic cars on roads, states gain control. Arizona Backcountry Explorers applauds!
