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  • Chevrolet Colorado, GMC Canyon Diesel Sales On Hold Pending On-Road Test

Chevrolet Colorado, GMC Canyon Diesel Sales On Hold Pending On-Road Test

GM “Confident” In Trucks’ Emissions Performance

Sep 29, 2015
The U.S. Environmental Protection Agency (EPA) is making good on its promise to subject new and current diesel vehicles to more rigorous on-road testing to ensure their real-world emissions performance conforms to controlled laboratory testing results. The agency had told General Motors that it will not certify the 2016 Chevrolet Colorado and GMC Canyon diesel midsize pickups until it can certify the trucks meet all applicable emissions standards, especially NOx emissions, which was the center of the Volkswagen emissions scandal.
The Colorado and Canyon diesel are equipped with a urea fluid Selective Catalyst Reduction (SCR) system specifically designed to neutralize NOx emissions. However, researchers found even the 2015 VW TDI models equipped with an SCR system emitted higher-than-allowed levels of NOx. The 2.8L I-4 turbodiesel in the Colorado and Canyon has been sold in global markets for several years, minus the SCR system. According to an Automotive News report, GM says it’s confident in the trucks’ on-road performance and that it will meet all applicable emissions standards in real-world use.
The diesel midsize trucks are symbolically significant for GM, expected to be the first pickups of the modern era to surpass 30 mpg highway. The trucks also have a towing capacity of up to 7,700 pounds, the highest in the midsize truck class. Pending on-road testing, the trucks are expected to go on sale in late Q4 2015.
Source: Automotive News

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