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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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Daimler debuts diesel-powered S-class for US market

Green Car Congress

liter V6 turbodiesel developing 240 hp (179 kW) and 455 lb-ft (617 N·m) of torque ( earlier post ), the V6 diesel accelerates from 0 to 60 mph in 7 seconds; top speed is 130 mph (209 km/h) (electronically limited). AdBlue, an aqueous urea solution, is injected into the exhaust flow. Powered by a 3.0-liter

Diesel 210
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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. mpg, but in a 99-mile highway run at 65 mph, we averaged 34.3 mpg, but in a 99-mile highway run at 65 mph, we averaged 34.3 In 371 miles we averaged 28.6 In 371 miles we averaged 28.6

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Road Test: 2021 Hyundai Palisade Calligraphy AWD

Clean Fleet Report

The EPA rates the fuel economy at 19 city/24 highway/21 combined. mpg, but did a bit better on a 207-mile freeway run with the smart cruise control set at 65 mph, achieving 25.1 To aid in fuel economy the Palisade has a start-stop feature where the engine shuts off when coming to a stop and restarts automatically.

Hyundai 105
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Road Test: 2024 Cadillac XT4 Premium Luxury FWD

Clean Fleet Report

The fuel economy, which is best in Touring mode, is rated by the EPA at 24 mpg city/29 highway/26 combined mpg. Our best efficiency was over a 110-mile all-freeway run with the adaptive cruise control set at 65 mph, earning us 32.5 In 365 miles of mostly freeway driving we averaged 26.1 mpg, same as the EPA.

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Road Test: 2023 Volvo XC60 Recharge Ultimate

Clean Fleet Report

Supercharged, turnbocharged and paired with a 143 hp electric motor Range and fuel economy are rated by the EPA 28 mpg city and highway combined for the hybrid engine. With a fully charged battery, the XC60 Recharge can go 36 miles on pure electricity (speed-limited to about 80 mph) and has a 63 MPGe rating. Very clean.

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Road Test: 2021 Cadillac Escalade Duramax 4WD

Clean Fleet Report

If you are looking for comfort, versatility, great looks, a very accommodating and large interior, some innovative features and surprisingly good fuel economy, the 2021 Cadillac Escalade is for you. Power and Torque and Fuel Sipping. Fuel economy for the 3.0L It did not disappoint. liter Duramax turbodiesel engine.