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July 2009

On this month's cover: A fleet of Liebherr T 282 B mining trucks has been operating at a mine in Indonesia since 2005, displaying consistent reliability and minimal downtime with an overall availability averaging 92%. The T 282 B trucks require less maintenance due to their AC drive system, which minimises downtime and ensures consistent operating performance over conventional DC and mechanical drive trucks. The trucks are also equipped with the powerful MTU DD 20V4000 (2722 kW), providing one of the best power-to-weight ratios available in the mining truck market today.

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Editorial comment

Coal News
Coal News

The A - Z of Alpha Coal
Paul Mulder, Hancock Coal Pty Ltd, Australia, reports on the development of the Alpha Coal Project, Queensland.

Turning Brown Coal Green
With vast reserves of brown coal, the state of Victoria, Australia, is among the leading supporters of CCS and other clean coal technologies. Rebecca Philpot, Invest Victoria, Australia, describes the state's iniatives to meet the carbon challenge.

Equipment Tailors
Dr Burkhard Richthammer, Liebherr-France SAS, France, provides a number of examples where equipment and services have been adapted to meet specific minesite requirements.

Developing Pakistan's Coal
Dr Larry Thomas, Dargo Associates Ltd, UK, reports on the development of an opencast lignite mine in Block VI, Thar coalfield, Sindh Province, Pakistan.

High-Performance Mining
Bernhard Schimm, Wirtgen GmbH, Germany, profiles a new surface miner for large-scale opencast mining.

Smart Speed Management
Steven Chung, Modular Mining Systems Inc., Canada, provides an insight into the future of speed management for minesite trucks.

Mining Big
Stefan Doetsch, Sandvik Mining and Construction, Austria, discusses the completion of a mega-project at the Neyveli Lignite Corp. mines, India.

AC Advantages
Mark Johnston, Bucyrus International, Inc., US, discusses the advantages of AC technology.

Optimising Bangs For Bucks
Simon Walker looks at drilling and blasting issues in surface coal mining.

Better Blasting
Angelo Labriola, Orica Mining Services, Australia, explains why improvements in blast technology can help increase profitability and reduce emissions intensity.

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