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EPA finalizes Tier 3 fuel and emissions standards

Green Car Congress

The US Environmental Protection Agency (EPA) finalized its Tier 3 emission standards for gasoline sulfur content; evaporative emissions; and tailpipe emissions from passenger cars, light-duty trucks, medium-duty passenger vehicles, and some heavy-duty vehicles. EPA had issued the proposed standards last March. Earlier post.).

EPA 300
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Honda Clarity Fuel Cell EPA-rated with 366-mile range; longest of any ZEV

Green Car Congress

Honda will introduce the new 5-passenger, hydrogen-powered Clarity Fuel Cell sedan by the end of 2016, beginning with retail leasing to customers through its expanded network of 12 approved fuel cell vehicle dealerships located in select California markets. The interior uses rich materials and intuitive, streamlined controls.

Honda 150
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EPA annual report on CO2, fuel economy and technology trends finds 2012 heading for all-time best; rapid adoption of new technologies

Green Car Congress

Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. Source: EPA. Data for MY 2011 are final; data for MY 2012 are preliminary and based on projected vehicle production values provided to EPA by manufacturers. Source: EPA. Click to enlarge. l/100 km), both slightly worse relative to MY 2010. Click to enlarge.

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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

Green Car Congress

EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. Click to enlarge.

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Cummins Begins Production of First EPA Tier 4 Interim Engines; Up to 5% Improved Fuel Efficiency

Green Car Congress

EPA Tier 4 Interim and EU Stage IIIB emissions standards and effect dates vary by power category. has begun production and supply of the first EPA Tier 4 Interim and EU Stage IIIB certified engines and aftertreatment for early installation by off-highway equipment customers. Source: Cummins. Click to enlarge. Cummins Inc.

EPA 218
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EPA tells Mitsubishi to retest fuel economy after Japan errors

Green Car Reports

The dominos continue to fall as more and more carmakers are investigated for accuracy in their testing of emissions and fuel economy over longer periods of time. While European buyers had complained for years that EU fuel-economy ratings diverged from real-world results, nothing much happened until last year on that front.

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EPA proposes Tier 3 standards for gasoline sulfur content and vehicle emissions; harmonized with California LEV III

Green Car Congress

The US Environmental Protection Agency (EPA) proposed long-anticipated Tier 3 standards for gasoline sulfur content; evaporative emissions; and tailpipe emissions from all light-duty vehicles (LDVs, or passenger cars), light-duty trucks (LDT1s, LDT2s, LDT3s, and LDT4s) and Medium-Duty Passenger Vehicles (or MDPVs). PM Standards.

EPA 286