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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

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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal drop in fuel economy due to traveling 80 mph rather than 70 mph. Speed increase.

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2017 Chrysler Pacifica Hybrid PHEV minivan EPA-rated at 84 MPGe in electric-only mode; role of eFlite dual-motor/one-way clutch strategy

Green Car Congress

Exceeding its initial program targets, the plug-in 2017 Chrysler Pacifica Hybrid ( earlier post ) has earned an electric-mode fuel economy rating of 84 miles-per-gallon-equivalent (MPGe) from the US Environmental Protection Agency (EPA). No other minivan has ever come close to this rating. (As Click to enlarge.

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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.

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Chrysler to introduce PHEV models in 2016 and 2017 to meet ZEV requirements; new FCA gasoline engine family coming in 2015

Green Car Congress

One will be a PHEV version of the new Chrysler Town & Country minivan to be introduced in 2016; the second will be a PHEV version of a new full-size crossover vehicle to be introduced in 2017. FCA will launch a PHEV minivan in 2016 to comply with ZEV requirements. Integrated exhaust manifold. —Bob Lee. Cooled EGR.

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Road Test: 2022 Subaru BRZ Limited

Clean Fleet Report

If you opt for the automatic, the fuel economy is rated a bit better at 21/30/25. The back-end has horizontal LED taillights and round, chrome-tipped twin exhaust ends that are integrated into a wind-channeling lower fascia. In our week driving through Southern California we averaged 24.7 A Driver’s Interior.

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Achates Power building 2.7L opposed-piston light-duty engine; exceeding CAFE 2025, Tier 3 targets at lower cost

Green Car Congress

liter compression-ignition OPE will will be 30-50% more fuel efficient than comparable diesel and gasoline direct injection engines, reduce emissions and cost less than alternative technologies under development for meeting 2025 CAFE fuel economy and Tier 3 emission targets. The angles in the ports control the swirl, for example.)

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