Tough news for miningTom JacksonDec 3, 2008 World prices for copper, lead and zinc have fallen 60 percent from their July 2008 highs, according to Barclays.Top StoriesCompact ExcavatorsVideo: A Closer Look at Kubota’s New Largest Excavator, the KX080-5Take a walkaround tour of the 5th-generation excavator with more comfortable, quieter cab, load-sensing hydraulics and loads of new tech.PickupsGMC’s 2024 Electric Sierra Denali Set to Hit Dealerships in SummerAutonomousAutonomous Excavator Builds Stone Retaining Wall (Video)Skid Steer LoadersFirstgreen Launches New Rockeat Line of Remote-Control Electric Skid SteersCollectors CornerScrappy Collector Rescues, Restores Vintage Equipment in YouTube VideosEquipment World Contractor of the YearThe Contractor of the Year contest recognizes contractors who have annual revenues of between $3 million and $15 million and exemplify the highest standards of construction professionals.White PapersSelecting the Correct Construction Tire SolutionTires are a major component of operating cost in any construction application. The selection process can seem daunting, but the procedure is a simple, straightforward series of steps.