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EPA, NHTSA issue One National Program Rule; EPA withdraws CA waiver for GHG and fuel economy

Green Car Congress

Specifically, in this action, NHTSA is affirming that its statutory authority to set nationally applicable fuel economy standards under the express preemption provisions of the Energy Policy and Conservation Act (EPCA) dictates that such state and local programs are preempted. Earlier post.)

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US EPA proposing allowing high-octane, higher ethanol content fuels as part of Tier 3 regs; E30 as example

Green Car Congress

Having approval for such a high octane certification fuel would, the EPA proposed in the Tier 3 Notice of Proposed Rulemaking: help manufacturers that wish to raise compression ratios to improve vehicle efficiency, as a step toward complying with the 2017 and later light-duty greenhouse gas and CAFE standards (2017 LD GHG). Earlier post.)

EPA 255
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House Chairmen Waxman, Markey Release Draft of Energy and Climate Legislation; Among the Many Provisions Are Cap-and-Trade, Harmonization of CAFE and California Vehicle Regulations, and Low Carbon Fuel Standard

Green Car Congress

The bill also directs the President to work with the relevant Federal agencies and California to harmonize, to the maximum extent possible, the federal fuel economy standards, any emission standards promulgated by EPA, and the California standards for light-duty vehicles. Transportation Efficiency. light duty vehicles—e.g.,

Climate 186
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ARB releases proposed cap-and-trade regulation for comment; transportation fuels impacted in 2015

Green Car Congress

These revisions are intended to align California’s reporting requirements with the federal reporting rules recently enacted by the US Environmental Protection Agency (EPA), and to ensure that the information collected by those covered by the cap-and-trade program is of sufficient quality to support the program. Offset Protocols.

2015 210
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Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

Green Car Congress

Gasoline direct-injection (GDI) engines have higher fuel economy compared to the more widely used port fuel injection (PFI) engines. The EPA GHG program is aimed at reducing tailpipe CO 2 emissions. We estimate ozone and SOA formation potential. Finally, we analyze the potential climate effects of switching a PFI to a GDI fleet.

Fleet 207