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Study estimates fuel economy improvements to US light-duty vehicles from 1975–2018 saved 2T gallons of fuel, 17B tons of CO2

Green Car Congress

A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. Estimated attribution of fuel savings due to fuel economy improvements to light-duty vehicles since 1975.

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2025 Honda Civic Hybrid nears 50 mpg with Civic Si pep

Baua Electric

2025 Honda Civic Hybrid Honda’s hybrid system, as also used in the CR-V Hybrid and Accord Hybrid , operates as a series hybrid during most acceleration—with the gasoline engine essentially functioning as a generator. Then it’s a parallel hybrid during certain cruising conditions and very light acceleration conditions.

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EIA: fuel economy improvements bring diminishing returns in fuel savings

Green Car Congress

For example, switching from a 10-mile-per-gallon (mpg) vehicle to a 15-mpg vehicle saves more fuel and results in greater fuel cost savings than switching from a 25-mpg vehicle to a 75-mpg vehicle. Vehicles that use fuels other than gasoline, such as diesel or electricity, will have different fuel savings and fuel cost.

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Toyota announces expected fuel economy and pricing for RAV4 Hybrid: 33 mpg combined, entry at $28,370

Green Car Congress

Toyota anticipates that the 2016 RAV4 Hybrid—unveiled earlier this year at the New York International Auto Show ( earlier post ) and the eighth hybrid in Toyota’s line-up—will receive EPA ratings of 34 mpg city / 31 mpg highway / 33 mpg combined (6.9, l/100 km, respectively) for both 2016 RAV4 Hybrid models.

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Volvo reveals new XC90; limited diesel, gasoline First Edition on sale only online

Green Car Congress

The new XC90, with “Thor’s hammer” DRL lights. The two launch engines are the D5 twin turbo diesel and the T6 supercharged and turbocharged gasoline unit. Power and torque charts for the T6 gasoline unit (left) and the D5 diesel (right). For the North American market, the suggested price of the First Edition is $65,900.

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2015 Mitsubishi Mirage w/ 3-cylinder engine the most fuel efficient non-hybrid gasoline car in US; up to 40 mpg combined

Green Car Congress

The 2015 Mitsubishi Mirage is currently the most fuel-efficient non-hybrid gasoline car in the US, with combined EPA rating of 40 mpg (5.88 l/100 km), consisting of 37 mpg (6.36 l/100 km) city and 44 mpg (5.35 The 2015 Mirage is priced with a low starting MSRP of $12,995. l/100 km) combined/34 mpg (6.92

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ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

Green Car Congress

The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fuel economy and cargo hauling and towing ability. mpg in model year 2025—equating to 54.5 miles per gallon in model year 2016, and 49.1

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