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

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. Excess heat and pressure from the exhaust gas are recaptured by the turbo-compound unit.

Volvo 243
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. By the end of Phase II, Mainstream plans to demonstrate a production-ready prototype that exceeds DOE targets for fuel economy, operating range, and cost. A Novel Exhaust after Treatment Catalyst. Lead organization. Description.

Exhaust 261
article thumbnail

Independent testing finds Thomas Built Buses with SCR delivers better fuel economy than equivalent EGR system

Green Car Congress

A recent, independent, third-party test of a Thomas Built Buses Saf-T-Liner C2 against an IC Bus™ CE Series found that the SCR technology in the Thomas Bus delivers 7-27% better fuel economy than the EGR technology in the IC bus and, when factoring in the cost of diesel exhaust fluid (DEF), is the more cost-effective choice.

article thumbnail

ICCT: incremental technology can cut vehicle CO2 by half and increase fuel economy >60% through 2030 with ~5% increase in price

Green Car Congress

l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 The resulting trajectory would reduce CO 2 emissions by half and increase fuel economy by more than 60% from 2016 through 2030. Starting from a baseline 26 mpg (9.04

article thumbnail

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Cost of the new engine relative to gasoline baseline. Exhaust system configuration. Earlier post.).

article thumbnail

BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

Green Car Congress

The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy.