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NREL study finds gasoline hybrid delivery trucks substantially reduce emissions and beat or maintain fuel economy compared to diesel vehicles

Green Car Congress

NREL’s Fleet Test and Evaluation Team recently completed a year-long technology evaluation of gasoline hybrid electric (gHEV) FedEx Express delivery trucks compared with conventional diesel vehicles. On a drive cycle representing routes with frequent stops and accelerations, the gHEV trucks exhibited a 20% improvement in fuel economy.

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Interim NREL Report on In-Use Azure Balance Gasoline Hybrids in FedEx Fleet Finds Substantially Lower Tailpipe Emissions, Similar Fuel Economy to Diesels

Green Car Congress

Fuel economy was similar between the gHEVs and diesel vehicles, except for the highest kinetic intensity drive cycle where the hybrid exhibited ~20% higher fuel economy. FedEx has deployed 20 gasoline hybrid electric vehicles (gHEVs) on parcel delivery routes in the Sacramento and Los Angeles areas.

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Study explores long-term trends in motor vehicle emissions in US urban areas; targeting high-emitters

Green Car Congress

The study found that the highest-emitting 10% of gasoline vehicles are now responsible for the overwhelming majority of running CO, NMHC, and NO x. The Berkeley team took a fuel-based approach to the study—i.e., Among their findings were that: Despite increases in fuel use of ?10?40%, Credit: ACS, McDonald et al.

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Road Test: 2022 Kia Niro Plug-in Hybrid

Clean Fleet Report

One of the challenges Clean Fleet Report takes seriously is to test the EPA fuel economy ratings for the cars, crossovers and trucks we review, knowing efficiency is a top priority when looking to purchase a new vehicle. Adding together the gasoline and electricity, the EPA estimates 105 MPGe (Miles Per Gallon Equivalent).

Kia 90
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Audi takes aggressive stance with diesel in the US; four new models and new 3.0L diesel engine; challenge to policymakers

Green Car Congress

In his press presentation at the Los Angeles Auto Show, Scott Keogh, the president of Audi of America, officially announced the addition of A8, A7, A6, and Q5 TDI diesel models to the Q7 and A3 TDI already on sale in the US. Earlier post.) l/100km), city and highway combined.

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How to make heavy-duty electric trucks work in practice

Charged EVs

Large commercial trucks and other heavy equipment have run on diesel fuel for many decades now. Rising fuel-economy standards during the 2020s will do the same. The group’s final presentation lists 18 insights Volvo and its partners gained from the project. But today, heavy trucks remain a diesel world.

Volvo 131
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Mitsubishi shows XR-PHEV concept at LA Show

Green Car Congress

(MMNA) gave the Mitsubishi Concept XR-PHEV ( earlier post ) plug-in hybrid its North American debut at the 2014 Los Angeles Auto Show. The powertrain features a front engine/front-wheel drive gasoline-powered 1.1-liter Fuel economy would be more than 65 mpg US (3.6 Connected car technology. Future technologies.