Read Time: 2 Minutes | PACCAR just announced that Kenworth and Peterbilt will both implement software updates for trucks equipped with MX-11 and MX-13 engines that reflect the EPA’s newly revised guidance on Diesel Exhaust Fluid (DEF) inducements.
Read moreRead Time: 4 Minutes | The EPA’s 2026 DEF sensor updates remove mandatory urea quality sensors, giving manufacturers flexibility to use more reliable emissions monitoring systems like NOx sensors while reducing unnecessary derates and downtime.
Read moreRead Time: 3 Minutes | We’re here to help answer any questions you may have about the upcoming emissions regulations and what they’ll mean for you and your truck moving forward.
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Read Time: 3 Minutes | The U.S. Environmental Protection Agency is moving forward with its Heavy-Duty Engine and Vehicle Standards, more commonly known as EPA 2027. The agency explained they are keeping their original timeline and strictness, even as they prepare a new spring 2026 proposal to help reduce industry compliance costs.
Read moreRead Time: 1 Minute | Update: As of June 13, 2025, Kenworth has removed all sales restrictions in every state, except California, that were previously mandated under the Advanced Clean Trucks (ACT) and Low-NOx Omnibus Regulations. This change follows President Trump’s recent signing that overturned those EPA rules.
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