Motor Coach Industries (MCI) of Schaumburg, IL, finished a 54-day cross-country eco-journey that covered 8,600 miles and visited 26 U.S. cities, six national parks and six Native American communities. The bus builder teamed with Vermont’s Lamoille Valley Transportation and took 13 scholars from the Udall Foundation on a promotional tour to show off “green” transportation.
The students rode in an MCI J4500 LX motor coach equipped with a 2007 clean-diesel Caterpillar engine fueled with a 20-percent biodiesel, 80 percent ultra-low sulfur diesel blend. The bus also featured tools that monitored its emissions levels. Those who traveled on the bus posted video blogs about the journey on its website: Udall.gov. The American Bus Assn. claims even using conventional fuels, fully occupied motor coaches use less energy per passenger mile than planes, trains or cars.
An in-depth survey of 700 current and future users of 3D printing holds few surprises, but results emphasize some major trends already in progress. Two standouts are the big growth in end-use parts and metal additive manufacturing (AM) most respondents expect.
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