article thumbnail

Monthly changes in key transportation indexes

Green Car Congress

Sales of cars and light trucks. Sources of the underlying data: Federal Reserve Bank of St. Louis (sales of cars and light trucks). Bureau of Transportation Statistics (revenue passenger miles). Bureau of Labor Statistics (Consumer Price Index). Month-year. Price of gasoline. Vehicle miles traveled.

St. Louis 243
article thumbnail

WUSTL study finds use of air conditioning reduces in-car pollution

Green Car Congress

For example, a team at the University of Surrey found that particulate pollution levels inside cars are up to 40% higher when the vehicle is stuck in a traffic jam or stopped at a red traffic light compared to free-flowing traffic conditions. Earlier post.). —Anna Leavey. 2017.07.016.

Pollution 186
article thumbnail

The Unsung Inventor Who Chased the LED Rainbow

Cars That Think

Every yellow light-emitting diode you see—that’s George’s work.” His biggest adventure, though, has been some 30 years of research into light-emitting diodes. Vital statistics Name Magnus George Craford Date of birth Dec. “Take a look around during the next few days,” advised Nick Holonyak Jr. , and joined the Illinois faculty.

article thumbnail

US Public Transit Ridership in 2008 At Highest Level in 52 years; 10.7B Trips

Green Car Congress

Light rail (modern streetcars, trolleys, and heritage trolleys) had the highest percentage of annual ridership increase among all modes, with an 8.3% The light rail system that started in November 2007 in Charlotte, NC showed the highest percentage of increase with an annual 862% increase. increase in 2008.

2008 150
article thumbnail

Xerox Parc’s Engineers on How They Invented the Future—and How Xerox Lost It

Cars That Think

Pake was executive vice chancellor, provost, and professor of physics at Washington University in St. Fire-Breathing Dragon: The Story of the Dorado Computer In 1979, three years after Alan Kay had wanted to throw away the Altos “like Kleenex,” the Dorado, a machine 10 times more powerful, finally saw the light of day. “It

Future 145