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State DOTs Use New Technologies to Reduce, Reuse and Recycle

By Mark S. Kuhar

Earth Day goes hand in hand with raising environmental awareness – and this year the American Association of State Highway and Transportation Officials is using the occasion to share the many ways our members are protecting the environment.

Read more: State DOTs Use New Technologies to Reduce, Reuse and Recycle

Diesel Exhaust and Lung Cancer

By Mark S. Kuhar

A study of more than 12,000 nonmetal miners in the United States has determined that heavy exposure to diesel exhaust increases risk of death from lung cancer. The study was carried out by researchers from the National Cancer Institute (NCI), part of the National Institutes of Health, and the National Institute for Occupational Safety and Health (NIOSH), part of the Centers for Disease Control and Prevention, both parts of HHS. The results were distributed in two papers on March 2, 2012, from the Journal of the National Cancer Institute.

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John Deere on Final Tier 4/Stage IV Engine Technology Path

John Deere announced the continuation of its planned building-block approach to meet United States Final Tier 4 and European Union Stage IV emissions regulations. Final Tier 4/Stage IV regulations for off-highway diesel engines begin as early as 2013 for engines 55 kW (74 hp) and below.

Read more: John Deere on Final Tier 4/Stage IV Engine Technology Path

ARTBA Outlines Vital Improvements for Wetlands Permitting

The American Road & Transportation Builders Association (ARTBA) told the U.S. Army Corps of Engineers (Corps) that the best way to reduce unnecessary regulatory red-tape on transportation projects is to improve the wetlands permitting process. ARTBA submitted comments to the Corps January 17 in response to a government-wide regulatory review initiated by President Obama in 2011, detailing specific recommendations to make wetlands permitting more efficient.

Read more: ARTBA Outlines Vital Improvements for Wetlands Permitting