article thumbnail

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

Green Car Congress

Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. Department of Transportation. Department of Transportation were the sources of the information for 1986 through 2017. A minor increase between 2008 and 2017 (from 21.8 total Btu).

article thumbnail

NASA selects four university teams for aviation projects; eliminating emissions and autonomy research

Green Car Congress

NASA has selected four university-led teams for potential awards in the agency’s University Leadership Initiative (ULI) that will have them spend up to five years exploring novel ideas for improving aviation, including eliminating emissions and autonomy research in support of Advanced Air Mobility. Florida State University.

Universal 305
article thumbnail

Study finds transporting food and ingredients generates 20% of carbon emissions in the global food system

Green Car Congress

With a growing consumer demand for diverse food products, transportation has emerged as a key link in food supply chains. We calculate food-miles based on the countries and sectors of origin and the destination countries, and distinguish the relevant international and domestic transport distances and commodity masses. GtCO 2 e (3.5–7.5

article thumbnail

Relationship between distance driven and economic activity: 1946-2017

Green Car Congress

This is the latest in my series of analyses on the relationship between road transportation and economic activity in the United States. For each year from 1946 through 2017, distance driven by all vehicles was obtained from the U.S. Department of Transportation , while GDP in chained 2012 dollars came from the U.S.

2017 268
article thumbnail

GM, University of Michigan show automated safety features preventing crashes

Green Car Congress

General Motors partnered with the University of Michigan Transportation Research Institute to understand the real-world effectiveness of some of its available active safety, driver assistance, and advanced headlighting features that may prevent or mitigate different types of crashes. The study leveraged 3.7

Michigan 277
article thumbnail

University of Utah engineers develop fast method to convert algae to biocrude

Green Car Congress

Researchers at the University of have developed an unusually rapid method to deliver cost-effective algal biocrude in large quantities using a specially-designed jet mixer. Even as electrified vehicles penetrate the short distance transportation market, high energy density transportation fuels remain essential to long distance transportation.

Utah 277
article thumbnail

The majority of vehicle buyers are older than 54

Green Car Congress

In this analysis, I compare the age composition of buyers of new light-duty vehicles (cars and light trucks) in 2007 and 2017. The main findings are as follows: Middle-aged persons purchased proportionally fewer vehicles in 2017 than in 2007 (down from 29% to 14% for those 35 to 44, and from 24% to 20% for those 45 to 54).

2007 418