Remove Exhaust Remove Fuel Economy Remove Maintenance Remove Range
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

Chevron introduces new category of heavy-duty motor oil for severe duty applications; improved fuel economy

Green Car Congress

The increase in severe duty operations is due to changing driving habits on highway, including shorter haul lengths, the growth in intermodal delivery, and more stop-and-go operations, while off-highway has new energy efficient equipment that helps minimize fuel usage by cycling engines from load to no load.

Chevron 210
article thumbnail

Cummins Westport introducing new ISB6.7 G mid-range natural gas engine

Green Car Congress

G will operate exclusively on natural gas (CNG or LNG) utilizing Cummins Westport’s proprietary spark-ignited, stoichiometric combustion with cooled exhaust gas recirculation (SEGR) technology, first introduced with the 8.9-liter G TWC is packaged as a muffler and is maintenance-free. The ISB6.7 liter ISL G. The ISB6.7 The ISB6.7

Gas 150
article thumbnail

Cummins Emission Solutions introduces next-gen aftertreatment system EcoFit Single Module

Green Car Congress

The smaller size enables better heat management and retention for improved fuel economy capability, while the simple single-pass exhaust flow design delivers low back pressure, meeting the needs of end-user customers. A typical filter consists of an array of small channels for exhaust gas to flow.

Emissions 150
article thumbnail

XL Hybrids introduces the first hybrid electric upfit for Ford F-250 pickups and chassis for commercial fleets

Green Car Congress

This will be the first time that Ford F-250 trucks can be ordered by fleet customers with hybrid-electric drive technology; the XL3 system can provide up to a 25% increase in fuel economy. liter V8 gasoline engine compatible with a range of wheelbases, cab and bed configurations in both 4x2 and 4x4 options. Earlier post.).

Fleet 191
article thumbnail

CMU study finds secondary organic aerosol production from PFI and GDI vehicles has been “substantially” reduced by tightening NMOG standards

Green Car Congress

Although past studies have provided substantial insight, important gaps remain in our understanding of SOA formation from gasoline vehicle exhaust due to changing engine technology and emissions certification standards. Finally, we evaluate the use of an OFR as screening tool for SOA production from on-road gasoline vehicle exhaust.

Standards 170
article thumbnail

Eaton and Cummins Westport launch first automated transmission/natural gas engine package for N.A. Market; expanding SmartAdvantage diesel packages

Green Car Congress

Speaking at a media event at the American Trucking Associations’ annual Technology & Maintenance Council meeting, company executives said both announcements reflect is a continuation of the long-standing collaboration between Eaton and Cummins. Natural gas package.

Eaton 344