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EPA updates rules to ease commercialization of alternative fuel conversion systems

Green Car Congress

The US Environmental Protection Agency (EPA) has updated rules making it easier for manufacturers to sell fuel conversion systems—i.e., systems that alter a conventionally-fueled vehicle or engine to enable it to run on an alternative fuel. Overview of Program Elements. Demonstration. Notification.

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Big Blue Bus investing $18.2M to upgrade bus fleet; Cummins-Westport Near-Zero NOx engines

Green Car Congress

million in Federal Transit Administration (FTA) and California Proposition 1B Bond funds to replace fifty 40-foot New Flyer buses purchased between 2004 and 2006. In 2014, Big Blue Bus became the first transit agency in Southern California to purchase buses with near-zero compressed natural gas (CNG) engines. Earlier post.).

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EcoDual achieves EPA compliance for natural gas conversions of heavy-duty diesel engines under CAFC rule

Green Car Congress

EcoDual , LLC, a provider of dual fuel natural gas conversion systems for heavy-duty diesel trucks, has achieved US Environmental Protection Agency (EPA) compliance for installing its systems on 2004 to 2009 Cummins ISX engines. In dual fuel operation, the trucks maintain full torque and power with no loss of miles per gallon.

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Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

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Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. Such an engine could provide a cost-effective solution for small recreational vehicle- and motorcycle applications. fuel consumption penalty. Oh and Plante. Click to enlarge. g/kWh with a 3.3%

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High Performance Computing key enabler for accelerating development of high efficiency engines

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Wagner, Director of the Fuels Engines and Emissions Research Center, and Dr. Sreekanth Pannala, Senior Research Staff Member in the Computing and Computational Sciences Directorate at Oak Ridge National Laboratory in a keynote talk at the recent Global Powertrain Conference. 3D DNS of auto-ignition with 30-species.

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

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mpg increase over the previous year and an increase of nearly 5 mpg since 2004. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013. mpg fuel economy, which would represent a slight improvement over MY 2013. mpg per year.

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EPA Proposes to Streamline Approval Process for Fuel Conversion Systems

Green Car Congress

Conversion systems allow vehicles to run on alternative fuels; most conversions involve switching gasoline or diesel vehicles to operate instead on a gaseous fuel such as natural gas or propane; an alcohol fuel; or electricity. Vehicle/Engine Age. Overview of Proposed Program Elements. Certificate Issued?