article thumbnail

Study finds clear trend of increasing NOx with higher biodiesel blends with CARB diesel; NOx neutrality achieved by blending in renewable or GTL diesel

Green Car Congress

The focus of the paper was on the results of engine dynamometer testing conducted on two on-highway, heavy-duty diesel engines (2006 Cummins and 2007 MBE4000), with a primary focus on understanding biodiesel NO x impacts. —Hajbabaei et al. NO x emissions also differed as a function of cycle power for both engines. for R20, 5.4%-10.2%

Diesel 290
article thumbnail

Volvo Car Corporation developing new safety systems with autonomous driving support

Green Car Congress

of all fatal accidents in 2007 occurred in intersections, and in 16 EU countries (excluding Sweden) the corresponding figure was 20.6% However, these official accident statistics do not reveal the entire picture. The aim is to reduce the speed of impact from about 100–110 km/h (62–68 mph) to below 80 km/h (50 mph).

Volvo 265
article thumbnail

Looking to get in a hybrid for cheap? Used Toyota Prius 1.5 HSD 2004-2009 Review

Green Car Congress

On the highway at around 130 km/h (80 mph) , we get by with about 5.3 I would say that is not a bad statistic from the four Priuses that covered a total of 913k kms (570k miles). Matt from Rhode Island reported no faults with the hybrid battery in his 2007 Prius that he bought new, now clocking 555k km (347k miles).

2004 409
article thumbnail

Colorado State University Forecasters Predict Above-Average 2010 Hurricane Season

Green Car Congress

The team predicts 15 named storms to form in the Atlantic basin between 1 June and 30 November, with eight expected to be hurricanes and four developing into major hurricanes (Saffir/Simpson category 3-4-5) with sustained winds of 111 mph or greater. The team began using a new early April statistical model in 2008. named storms, 5.9

Colorado 186
article thumbnail

Caltech, JPL designed megasupramolecule fuel additive reduces intensity of post-impact fuel explosions

Green Car Congress

Researchers at Caltech and JPL used statistical mechanics to design a polymeric fuel additive that can self-assemble into “megasupramolecules” (≥5000 kg/mol) at low concentration (≤0.3 Caltech polymer (lower half) after a 140 mph projectile impact disperses fuel mist over continuously burning propane torches. Credit: Caltech/JPL.

Fuel 150
article thumbnail

The Long View from SAE 2009 World Congress

Green Car Congress

Here are some examples of actions that would be required to achieve the target of at least 35 mpg specified by EISA 2007: [Note: NHTSA has released CAFE standards for MY 2011, but is engaging in further consideration and analysis prior to issuing rules for subsequent model years. Earlier post.)]. million are injured. Thornes, B.

2009 150
article thumbnail

Perspective: A View Into the New GM

Green Car Congress

GM expects the technology to be in the market within 10 years and for a vehicle to operate in HCCI mode during low load urban driving all the way up to 60 mph on a flat surface. These 4 th Generation vehicles are modified Chevy Equinoxes and have been on the street since the fall of 2007 as part of Project Driveway.

GM 262