article thumbnail

Actual fuel economy of cars and light trucks: 1966-2019

Green Car Congress

vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2019. (My Calculated vehicle fuel economy is available going back to 1923. In comparison, the change between 2008 and 2019 (from 4.59 per year.

article thumbnail

Actual fuel economy of cars and light trucks: 1966-2017

Green Car Congress

vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. Calculated vehicle fuel economy is available going back to 1923. In comparison, the change between 2008 and 2017 (from 4.59 mpg for both years).

article thumbnail

NASA Glenn develops automated flywheel pulse-and-glide system; improving fuel economy up to 40-100%

Green Car Congress

Innovators at NASA’s Glenn Research Center have developed an automated pulse-and-glide technique using a flywheel energy storage system for on-road vehicles; the technology, which NASA Glenn says can improve fuel economy over existing internal combustion or battery hybrid systems by 40-100%, is available for licensing.

article thumbnail

Mercedes-Benz Actros wins more than 90% of 1000 fuel-consumption comparison tests in Europe in the Fuel Duel

Green Car Congress

Mercedes-Benz Actros trucks have won more than 90% of 1000 Fuel Duels in Europe. The “Fuel Duel” fuel-consumption comparison test of Mercedes-Benz Trucks takes place in 22 countries in Europe, with 90 Actros trucks are on the road—predominantly tractor units of models 1842 LS and 1845 LS with Euro VI emission control technology.

Mercedes 150
article thumbnail

ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. 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

article thumbnail

Japan Ministries propose light commercial vehicle fuel economy standards for 2022

Green Car Congress

In a policy update, the International Council on Clean Transportation (ICCT) reports that Japan’s Ministry of Land, Infrastructure, Transport and Tourism (MLIT) and Ministry of Economy, Trade, and Industry (METI) have finalized new proposed fuel economy standards for light- and medium-duty commercial vehicles with gross vehicle weights less than 3.5

article thumbnail

FEV testing finds Transient Plasma ignition system increases fuel efficiency and decreases emissions

Green Car Congress

liter, direct and port fueled injection, inline 4-cylinder gasoline engine commonly used in the Camry line of vehicles. Data was collected with the stock ignition system with a representative ignition strategy, followed by comparison to a drop-in replacement with the TPS nanosecond pulsed power ignition system (coil and plug).

Emissions 243