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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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CARB to consider low NOx heavy-duty omnibus regulation on 27 August

Green Car Congress

On-road heavy-duty vehicles are an essential part of the state’s economy. CARB’s Proposed HD Omnibus Rulemaking would comprehensively overhaul exhaust emission standards and test procedures and other emission-related requirements for 2024 and subsequent model year California-certified HD engines.

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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 drop in fuel economy due to traveling 80 mph rather than 70 mph.

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SAE Publishes Revised J1711 Standard to Measure Exhaust Emissions and Fuel Economy of Hybrids and Plug-in Hybrids

Green Car Congress

Also, the list of standard test procedures addressed in SAE J1711 has been expanded to cover all five major test cycle procedures (UDDS, HFEDS, US06, SC03, and Cold FTP) now being used to evaluate vehicle fuel economy. There are two basic exhaust emissions and fuel economy tests described in J1711. Earlier post.) Mike Duoba.

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New 2019 Toyota Avalon hybrid boosts fuel economy 10% to 44 mpg combined

Green Car Congress

Toyota estimates that the 2019 Avalon Hybrid will boost fuel economy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 inches) and high compression ratio (14:1); multi-hole direct fuel injectors; a variable cooling system; cooled Exhaust Gas Recirculation (EGR) system; and a full variable oil pump. l/100 km) combined.

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Nevada launches “Clean Cars Nevada” effort; adopting California LEV and ZEV

Green Car Congress

Through 2021, the Nevada Division of Environmental Protection (NDEP) will engage with stakeholders and convene public workshops to gather comprehensive input and feedback across all impacted sectors of our economy and throughout every community in Nevada.

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Toyota boosts 2023 Corolla Hybrid; starting MSRP $1,250 lower than 2022 Corolla Hybrid

Green Car Congress

The revised hybrid system boosts output to 134 hp (up from 121) and 156 lb-ft (212 N·m) of torque (up from 146 lb-ft / 200 N·m), while EPA-estimated combined fuel economy reaches 47 mpg. The EPA combined fuel economy rating is 44 mpg. The upgraded hybrid system improves acceleration and mid-range power.

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