article thumbnail

DOE: new vehicle fuel economy improved 33% from 1980-2016

Green Car Congress

According to data gathered by the US Department of Energy (DOE) from the US Environmental Protection Agency (EPA), new vehicle fuel economy in the US has improved 33% from 1980-2016, despite a 120% increase in horsepower and 47% improvement in acceleration (measured by time to accelerate from 0 to 60 mph).

article thumbnail

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.

article thumbnail

Tesla Model S matches gas cars by going 320 miles at average speeds of 75 mph

Teslarati

The Tesla Model S reached a range on par with internal combustion engine (ICE) vehicles after logging 320 miles of range at 75mph during a highway fuel-economy test run. During the run, the test driver drove the Model S Long Range Plus through a 100-mile stretch of interstate, involving an out-and-back loop at 75 mph in cruise control.

MPH 145
article thumbnail

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

article thumbnail

New Illinois law raises speed limit to 70 mph on rural highways

Green Car Congress

Illinois Governor Pat Quinn signed a new law to increase the speed limit from 65 to 70 mph (105 to 113 km/h) on rural four-lane highways, and to lower the limit by five mph for excessive speeding. D-Smithton), Senate Bill 2356 increases the maximum speed limit from 65 to 70 mph on four-lane divided highways outside of urban areas.

Illinois 300
article thumbnail

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.

article thumbnail

UK planning to trial 80 mph speed limit

Green Car Congress

The UK Government is planning to trial 80 mph (129 km/h) speed limits on sections of the motorway network. At the time, then-Transport Secretary Philip Hammond said that the current limit of 70 mph was out of date and that the higher limit would give the economy a boost.

MPH 210