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Posts Tagged ‘transportation’

Electric Buses: How Plugs and Batteries are Replacing Wires and Diesel

Cities breathe. They take deep breaths in the morning as commuters rush to get to work and exhale in the evening as workers travel away from the city center. According to the U.S. Census Bureau, the population here in D.C. grows from 584,400 to over 1 million people on a daily basis and the population of Manhattan nearly doubles from 1.5 million to 3.0 million during the work week. This amazing phenomenon is made possible, in part, by city buses, which carry hordes of passengers along concrete arteries toward the heart of the city. Read More

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Is that Truck Wearing a… Skirt?

As you find yourself traveling on the road these holidays, you may notice something different about tractor-trailers—some of them are wearing skirts. Because of the roughly 100,000 miles traveled annually by the average long haul tractor-trailer (ie semi-truck, or big rig), putting on one of these long skirts (pictured below) is like eliminating the global warming pollution from an average car. Here’s how, and why we need more of them. Read More

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How Rocket Science Can Benefit Transportation

Guest Bogger

Michael Wright, NASA engineer

Glen Rock, PA

As a NASA engineer and father of three, there are two things that I consider important: space exploration and climate change. Unfortunately, neither space nor climate change are receiving the attention they deserve from policy makers and the public. Fortunately, my 30-year career at NASA has given me the opportunity to become involved in both. Read More

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