The spotlight will be on eco-friendly drive systems for construction and mining machinery at the 30th annual bauma event in Munich next year. The International trade fair for construction, building material, mining machines and construction vehicles and equipment will be held from April 15-21.

The bauma exhibition is hosted by Messe München International (MMI), one of the world’s leading trade show organizers. A key focus of the event will be on greener drive systems for construction machinery to give higher efficiency and lower emissions, as more countries tighten limit values for new machinery.

The head of the Construction Machines and Conveying Technology Department at the Technical University of Dresden, Professor Günter Kunze, says while there has been progress on global emission standards, the introduction of EU Stage IV and US Tier 4 Final standards in Europe and the US in 2014 will require a further drastic reduction in emissions of nitrogen oxide.

He says equipment manufacturers have had to overcome the challenges of building engines that produce low emissions without higher fuel consumption. “Making adjustments inside the engine has confronted constructors with the contradiction that a combustion process low on harmful emissions leads to higher fuel consumption. The requirement for ever tighter limit values has emphasized this ‘ecological conflict’.

“Depending on the application, a combination of technologies that reduce soot-particle and nitrogen-oxide emissions at the same time can be used to meet the low limits of EU Stage IIIB and US Tier 4 Final. The enormous variety in off-road machinery makes it impossible to have a standard solution for emissions treatment,” says Professor Kunze.

MMI says the progress in hybrid drive technology will be on show for the first time at bauma 2013, giving the almost half a million attendees the opportunity to see what innovations the construction machinery sector is working on.

The last bauma, in 2010, attracted 3256 exhibitors from 53 countries, and more than 420,000 visitors from 200 nations.

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