Remove 2001 Remove Engine Remove Exhaust Remove Light
article thumbnail

Swiss team concludes that particulate filters should be mandatory for GDI engines

Green Car Congress

Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances.

Engine 271
article thumbnail

Environment Canada study finds vehicle exhaust a significant source of isocyanic acid; suggests consideration of new emission standard

Green Car Congress

Researchers at Environment Canada have found that vehicle exhaust is a significant source of isocyanic acid (HNCO), a toxic gaseous acid that is a product of various forms of combustion and a potential health concern. Automobile exhaust is also a known source of inorganic acids such as nitric (HNO 3 ) and nitrous (HONO) acids.

Exhaust 207
article thumbnail

New 450hp Small Block V8 for 2014 Corvette features direct injection, cylinder deactivation, continuously variable valve timing

Green Car Congress

The new Corvette LT1 engine, the first of the Gen 5 family of Small Block engines, combines several advanced technologies, including direct injection, Active Fuel Management and continuously variable valve timing to support a new advanced combustion system with an 11.5:1 —Tadge Juechter, Corvette chief engineer.

2014 362
article thumbnail

EPA Proposes to Streamline Approval Process for Fuel Conversion Systems

Green Car Congress

The proposed rule would cover conversions of light-duty vehicles and heavy-duty highway vehicles and engines, and would apply to all clean alternative fuels. While properly engineered conversion systems can reduce or at least not increase emissions, poorly designed systems can lead to much more pollution. Vehicle/Engine Age.

article thumbnail

Event: 2023 Acura Integra Introduced

Clean Fleet Report

The last time we saw the Acura Integra was in 2001 as a coupe. liter four-cylinder engine mated to either a six-speed manual with a limited-slip differential or an automatic. Up close, the grille has an intricate design and is framed by the LED head and daytime running lights. The Enthusiast Performance Sedan Reborn. More swoop.

Acura 72
article thumbnail

Opel introducing new CNG Zafira Tourer with 329-mile natural gas range, lower fuel consumption

Green Car Congress

liter engine can run on biogas or a mixture of natural gas and biogas. These enhancements have been mainly achieved with a new light weight gas tank system providing an increased CNG capacity of now 25 kg (predecessor: 21 kg) and an optimization of the drivetrain. Click to enlarge.

Gas 236
article thumbnail

National Academies release third review of the 21st Century Truck Partnership

Green Car Congress

The 21CTP was formed in 2001 to reduce fuel usage and emissions in trucks of Classes 3 through 8. The new report highlights a number of important accomplishments which have occurred since the earlier NRC reviews: The engine systems Goal 1 of a 50% brake thermal efficiency (BTE) for an emissions compliant engine has been achieved.

MPG 150