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Argonne study finds BEVs can have lowest scheduled maintenance costs, but highest cost of driving

Green Car Congress

Researchers at Argonne National Laboratory, with colleagues from Lawrence Berkeley, Oak Ridge, and National Renewable Energy labs, and the University of Tennessee, have published a comprehensive analysis of the total cost of ownership (TCO) for 12 sizes of vehicles ranging from compact sedans up to Class 8 tractors with sleeper cabs.

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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

Green Car Congress

MY 2012 adjusted fuel economy is 23.6 mpg fuel economy improvement from MY 2011 to MY 2012 is the second largest annual improvement in the last 30 years. l/100 km) fuel economy, which, if achieved, will again represent all-time records. Click to enlarge. l/100 km), which is 1.2 mpg, or 22%. Click to enlarge.

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FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio.

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New UMTRI paper reviews major advantages and disadvantages of battery-electric and fuel-cell vehicles

Green Car Congress

A new report from the University of Michigan Transportation Research Institute (UMTRI) reviews the major advantages and disadvantages associated with battery-electric vehicles (BEVs) and fuel-cell vehicles (FCVs). For example, in the San Diego, California territory of SDG&E, optimal time of use residential EV charging rates range from $0.19/kWh

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DOE seeking input on analysis methodology and assumption for estimating total cost of ownership of future advanced vehicle technologies

Green Car Congress

The agency is seeking feedback on the specific assumptions and on the range of values used to represent achieving aggressive, moderate or conservative levels of success for various technologies: Advanced internal combustion engine vehicles. Fuel cell hybrid electric vehicles. Alternative fuels from biomass.

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Road Test: 2023 Volkswagen Taos SEL 4Motion

Clean Fleet Report

Fuel economy is EPA-rated at 28 mpg city/36 highway/31 combined for the FWD Taos, with the 4Motion rated at 25/32/28. While fuel economy may be less if your driving keeps you on city streets with frequent starts and stops, it is good to know when on the open road and at a consistent speed, mid-to-high-thirties are possible.

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Flash Drive: 2024 Acura ZDX Type S

Clean Fleet Report

Power and Range There are three ZDX configurations, each with their own all-electric driving range (AER.) Acura has not released official performance numbers, but with when in Sport Mode it should turn 0 – 60 times in the high 4-second range. 313 AER A-Spec All-Wheel Drive (AWD) 490 hp 437 lb. -ft. Hyundai Ioniq 5 N at 3.1

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