US rules to reduce water pollution from construction sites

27 November 2009 | The US Environmental Protection Agency has issued a rule to help reduce water pollution from construction sites. The agency believes this rule, which takes effect in February 2010 and will be phased in over four years, will significantly improve the quality of water across the US.

Diesel engines offer efficiency in the hunt to cut emissions

6 August 2009 | Pressure for the development of environmentally optimised technology is increasing, but the answer need not lie solely with electric and hybrid solutions. The most energy-efficient engines of tomorrow are already more than a hundred years old.