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New 2023 Toyota Sequoia full-size SUV comes standard with Hybrid i-FORCE MAX Powertrain

Green Car Congress

Fuel economy estimates are not available at this time, but Toyota expects it to be extremely competitive at the top of the segment—and a huge improvement over the previous generation (14 or 15 mpg US combined, for 4WD or 2WD models, respectively).

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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 Analysis has focused on speeds of 50, 60, 70 and 80 mph. [ 50 to 60 mph.

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Chevrolet makes Stop/Start standard on base 4-cylinder in 2015 Impala; 5% improvement in city fuel economy

Green Car Congress

Stop/start technology will be standard on the 2015 Impala base 2.5-liter liter ECOTEC engine, an addition that improves the vehicle’s city fuel economy by nearly 5%, or one mile per gallon. The Impala comes standard with a four-cylinder engine, which currently accounts for more than 30% of Impala retail sales. million in 2022.

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EPA fuel economy report finds weight and power leveling off, footprint stable

Green Car Congress

EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and Fuel Economy Trends. The report is the authoritative reference for real-world fuel economy, technology trends and tailpipe carbon dioxide emissions, for new personal vehicles sold in the US every year since 1975.

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Automatic Emergency Braking to Be Required for All New Vehicles in 2029

The Truth About Cars

Automakers are increasingly making advanced driver assist systems (ADAS) like automatic emergency braking (AEB) standard to meet tightening crash-test standards, but that feature will become required by law in 2029. The new rules also require AEB to be effective in day and night lighting conditions.

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2018 Mazda CX-5 in US features as standard 2.5L engine with new cylinder-deactivation technology

Green Car Congress

Cylinder deactivation is more effective at low speeds, improving fuel economy by approximately 20% when driving at a constant 40 km/h (25 mph), and by approximately 5% at a constant 80 km/h (50 mph). All CX-5 models sold in the US come with a standard 2.5-liter All CX-5 models sold in the US come with a standard 2.5-liter

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