article thumbnail

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

Green Car Congress

mpg for both years). In terms of fuel consumption per distance driven, the change between 1973 (the year of the first oil embargo) and 1991 (from 7.75 In terms of fuel consumption per distance driven, the change between 1973 (the year of the first oil embargo) and 1991 (from 7.75 A modest increase between 1973 and 1991 (from 12.9

article thumbnail

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

Green Car Congress

mpg for both years). In terms of fuel consumption per distance driven, the change between 1973 (the year of the first oil embargo) and 1991 (from 7.75 In terms of fuel consumption per distance driven, the change between 1973 (the year of the first oil embargo) and 1991 (from 7.75 A modest increase between 1973 and 1991 (from 12.9

article thumbnail

Study estimates fuel economy improvements to US light-duty vehicles from 1975–2018 saved 2T gallons of fuel, 17B tons of CO2

Green Car Congress

A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. Second, they estimated fuel savings using the FHWA data on vehicle miles, fuel use and miles per gallon (mpg).

article thumbnail

UMTRI study shows wide global variability in GHG emissions from operating an EV

Green Car Congress

A team at the University of Michigan Transportation Research Institute (UMTRI) study has assessed the relative amounts of greenhouse-gas emissions from driving a battery-electric vehicle (BEV) compared with greenhouse-gas emissions from driving a traditional gasoline-powered vehicle in different countries of the world. MPG ghg (0.05

Emissions 150
article thumbnail

Report suggests that not following good eco-driving practices can lead to a reduction in on-road fuel economy of up to about 45% in total

Green Car Congress

a fuel economy penalty), according to a new report by Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). mpg US (13.5 Factors related to vehicle maintenance that impact fuel economy include engine tuning, tire selection and maintenance, and weight of engine oil.

article thumbnail

University of Michigan Report Finds Focus on Fuel Economy Would Be Very Profitable for Detroit 3; Says Rapid, Wide-Reaching Change in Business Models Required for Turnaround

Green Car Congress

A new report released by the University of Michigan Transportation Research Institute ( UMTRI ) analyzes critical choices faced by automakers and finds that broad, deep, fast change is necessary for success in the context of the worst financial crisis in the history of the domestic automobile industry. mpg) and 50% (40.4 Fuel Economy.

article thumbnail

Parker Hannifin gaining traction with RunWise HD hydraulic hybrid; developing CNG-based HD system, next-gen MD system

Green Car Congress

As pumps they use mechanical energy to deliver high-pressure oil. As motors they accept high-pressure oil and deliver mechanical energy to drive the vehicle. These are the energy-storage devices for the high-pressure oil. Oil cooler to maintain the proper operating temperature. Accumulators. OSU evaluation. CO 2 (g/mi).

Hybrid 246