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Cummins has received EPA certification for its lineup of on-highway diesel and natural gas engines meeting current and 2017 greenhouse gas and fuel efficiency standards.
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Should tire inflation systems be part of the new federal greenhouse gas/fuel economy rules? Trucking’s track record with pressure maintenance says yes. But, uncertainty over the definition of proper inflation raises questions.
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The current situation surrounding the VW emissions scandal parallels trucking’s emissions difficulties that led to the “consent decree” in 1998.
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OEM comments on proposed EPA/NHTSA Phase 2 GHG regs show they’re nowhere near ready for prime time. What the agencies say in reply will speak volumes on where the rule is headed.
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Today's complex engines may be different from in 1995 but the principles of getting better gas mileage haven't changed.
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EPA has fined Estes Express Lines $100,000 for failing to install diesel particulate filters on 15% of its California fleet.
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Cummins Westport’s ISL G Near Zero NOx natural gas engine has received Near Zero NOx emission certifications from the U.S. Environmental Protection Agency and California Air Resources Board.
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The EPA is serious about further reducing exhaust emissions and boosting vehicle fuel economy. But the agency official’s remarks suggested that it intends to be reasonable about it.
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Daimler Trucks says meeting EPA's Phase 2 GHG reduction requirements, as they currently stand in the proposal stage, may not be possible under the current timeline.
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Two weeks have been added to the period in which comments on the proposed Phase 2 round of federal GHG rules for commercial vehicles will be accepted.
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