Remove Carbon Remove Exhaust Remove Fuel Economy Remove Standards
article thumbnail

Volvo Trucks’ D13 Turbo Compound engine now standard on all VNL models; 6% better fuel economy over 2020 engine

Green Car Congress

The enhanced D13 Turbo Compound (D13TC) engine from Volvo Trucks is now standard on all Volvo VNL models, providing enhanced fuel efficiency and reducing overall cost of ownership. In Europe and other key markets, the D13TC engine has exceeded expectations and has proven to be fuel efficient, reliable and popular with drivers.

Volvo 243
article thumbnail

CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

Green Car Congress

The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). The study used two fuels—an E10 and E15. SULEV30, ULEV50, ULEV70, and ULEV125).

article thumbnail

ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

article thumbnail

2021 Jeep Gladiator available with 3rd generation 3.0L EcoDiesel

Green Car Congress

The expected fuel economy ratings will deliver the highest driving range on one tank of fuel yet for Gladiator. of torque, with engine stop-start (ESS) technology standard, is available on Gladiator Sport, Overland and Rubicon models. 1 to improve fuel economy and reduce engine noise. axle ratio.

Jeep 269
article thumbnail

Study finds engines emit exhaust nanoparticles even when not fueled during engine braking

Green Car Congress

Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.

Exhaust 319
article thumbnail

DOE awards $17M to FY 2014 SBIR Phase II projects; includes Si/graphene anodes, motor windings, exhaust treatments

Green Car Congress

Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. of Rockledge, Florida is developing a hybrid electric turbocharger for cars and trucks that both reduces fuel consumption and improves drivability by shortening the transient response time (reducing turbo lag) during acceleration. Lead organization.

Exhaust 261
article thumbnail

Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

Green Car Congress

Solid bars represent low ambient temperature measurements whereas open, dashed bars represent standard temperature measurements. Black carbon has a negative impact on the environment and on human health. mg/mi at standard temperature to 4.3?4.5 mg/mi at standard temperature to 0.01?0.5 Credit: ACS, Chan et al.