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Study finds automobile tires are a potential source of carcinogenic dibenzopyrenes to the environment

Green Car Congress

60% rubber polymers; 20?35% Any new tire or tire tread used for retreading manufactured after first January 2010 may not contain any extender oil with more than 1 mg kg benzo[a]pyrene (B[a]P) or more than 10 mg kg ?1 Data available of dibenzopyrenes in other urban emission sources are diesel and gasoline particulate emissions.

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DuPont Automotive Highlights Zytel PLUS and New Laser Welding Materials at SPE Conference

Green Car Congress

A new nylon family—DuPont Zytel PLUS—and new materials to enable laser welding techniques were the focus of two DuPont Automotive Performance Polymers talks presented recently at the SPE Automotive Engineering Plastics Conference (AutoEPCON) at the Michigan State University (MSU) Management Education Center in Troy, Mich. Click to enlarge.

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ICCT study concludes no technical barriers to use of higher blends of ethanol

Green Car Congress

Tailpipe emissions of CO 2 from the combustion of ethanol and gasoline are similar on an energy basis—i.e., using ethanol does not affect a vehicle’s tailpipe CO 2 emissions per mile driven. Effects on emissions. Earlier post.). the optimal air/fuel ratio for ethanol blends is lower than for pure gasoline.

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EPA announces 2011 Presidential Green Chemistry Challenge Awards; green chemistry market opportunity projected to be $98.5B by 2020, about 2% of total market

Green Car Congress

Genomatica has been producing BDO at pilot scale in 3,000 liter fermentations since the first half of 2010, and is moving to production at demonstration scale in 2011. Also, the biobased BDO pathway consumes carbon dioxide (CO 2 ), resulting in a reduction of 70% in CO 2 emissions. The biggest benefits are during use.

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Hyundai Introduces i-flow Diesel Hybrid Concept at Geneva; New Blue Drive Vehicles and Technologies

Green Car Congress

Hyundai staged the global debut of its i-flow diesel hybrid concept car at the 2010 Geneva Motor Show. liter engine augmented by two-stage turbocharging and Hyundai’s Lithium Ion-Polymer battery partnered with a six-speed, dual-clutch transmission. The i10 blue, which goes into production at the end of 2010, employs the new 1.0-liter

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DOE issues $10M incubator FOA for batteries, power electronics, engines, materials, fuels and lubricants

Green Car Congress

burn and exhaust gas recirculation (EGR)?diluted burn systems and controls that allow compliance with proposed EPA Tier 3 emissions regulations with smaller penalty in fuel economy. Durable emission control systems for engines operating in novel combustion regimes that can perform effectively for 150,000? and/or heavy?

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Michelin doesn’t want you to buy as many EV tires

Baua Electric

Tire Manufacturers Association, synthetic polymers make up about 24% of the material in passenger vehicle and light truck tires. firm Emissions Analytics started pointing out in 2020, EV weight gains can result in colossally greater tire emissions. Michelin has improved on that metric by 11% from 2010 to 2020, he says.

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