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After a court challenge stymied its efforts to give makers of glider kits a reprieve from challenged provisions of its greenhouse gas regulations, the Environmental Protection Agency has withdrawn an order to not enforce those regulations against small manufacturers of glider kits.
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Court filings have begun to pile up that may ultimately determine the fate of the trailer-related provision within the federal Phase 2 Greenhouse Gas Emissions and Fuel Efficiency Standards.
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Commercial fleets that converted from diesel to natural gas power could potentially accelerate the rate of climate change, finds one report. What is the industry doing to address the issue?
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Upstream methane is seen as the biggest downside to natural gas trucks, according to a new policy-analysis paper published in the journal Environmental Science & Technology.
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Climate scientists have suggested that methane leakage during filling and transfer operations, possible with a wide-scale switch from diesel to natural gas as heavy truck fuel, could contribute more to global warming than the benefit of switching from diesel to natural gas would achieve.
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