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UC Riverside team wins EPA design contest with lawnmower exhaust aftertreatment device

Green Car Congress

A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for developing an exhaust aftertreatment device that cuts CO, NO x and PM emissions from lawnmowers. Then, an ultra-fine spray of urea solution is dispersed into the exhaust stream for catalytic NO x reduction.

Exhaust 261
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EPA Issues Advance Notice of Proposed Rulemaking on Lead Emissions from Leaded Aviation Gasoline, Seeks Public Comment

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Source: EPA. EPA has issued an Advance Notice of Proposed Rulemaking (ANPR) on lead emissions from piston-engine aircraft using leaded aviation gasoline (avgas). A fraction of lead is retained in the engine, engine oil and/or exhaust system, which EPA currently estimates at 5%. EPA estimates that approximately 14.6

EPA 199
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Cal/EPA Releases Fuels Guidance Document

Green Car Congress

The California Environmental Protection Agency (Cal/EPA) has coordinated the creation of a document that is intended as a starting point for potential fuel users, marketers and producers to better identify the regulations and requirements affecting their fuels. The document includes consideration of : Gasoline w/ E10. Version 1.0

EPA 210
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EPA report shows progress in reducing urban air toxics across US; 50% reduction from mobile sources since 1990

Green Car Congress

The US Environmental Protection Agency (EPA) released the Second Integrated Urban Air Toxics Report to Congress—the final of two reports required under the Clean Air Act (CAA) to inform Congress of progress in reducing public health risks from urban air toxics (also referred to as hazardous air pollutants or HAPs).

EPA 273
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EPA Proposes to Streamline Approval Process for Fuel Conversion Systems

Green Car Congress

The US Environmental Protection Agency (EPA) is proposing to make it easier for manufacturers to gain approval to sell fuel conversion systems. Current EPA regulations require vehicle and engine conversion systems to be covered by a certificate of conformity to gain a regulatory exemption from potential tampering charges.

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NREL study probes emissions impact of butanol-gasoline blends in light-duty vehicles

Green Car Congress

Results of a study led by a team from the National Renewable Energy Laboratory on the impact of butanol-gasoline blends on light-duty vehicle emissions suggest that widespread deployment of n-butanol or i-butanol in the gasoline pool could result in changes to the estimated emissions of alcohols and carbonyls in the emissions inventory.

Gasoline 236
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UAI and EFC call EPA MOVES2014 emissions model treatment of ethanol “seriously flawed”; call for peer review

Green Car Congress

MOVES2014 is the latest version of MOVES and includes the effects of the Tier 3 rule as well the impacts of other EPA rulemakings promulgated since the last MOVES release in 2010; new emissions data; and new features that users have requested. EPA has advised states to use MOVES2014 in SIP development as expeditiously as possible.

EPA 230