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www.rockproducts.com ROCK products • August 2016 • 61 EQUIPMENT & TECHNOLOGY LOADOUT & TRANSPORTATION Ritron callboxes provide instant, wire- less, two-way communication from any fixed location inside or out, usually a propane fill or fuel area to the main facility. This means of communication not only improves customer service but enhances productivity and profitability. Facilities can now respond quickly and appropriately when customers communicate directly with associates using the wireless callbox. The wireless technology allows facilities to easily add callboxes without adding additional personnel or infrastructure. The Ritron callbox can be PC pro- grammed to be compatible with virtually any other brand of VHF or UHF business band radios already in use. Ritron also offers an assortment of its own desktop base station or portable two-way radios. Designed and manufactured in the United States, the radio can be powered by alkaline batteries for completely stand-alone applications or it can operate on an external 12VDC-110VAC power supply (or optional solar kit). This rugged, reliable solution provides long-range communication of about one mile line-of-sight. For extended range, an external antenna can be added to the callbox. Ritron offers two callbox models, the tamper-resistant, heavy-duty XT enclo- sure or the light-duty Q Series callbox molded in high impact polycarbonate material. Each model is housed in a weatherized, gasket-sealed enclosure with tamper-resistance and stainless steel fasteners. Ritron Inc., www.ritron.com, ritron@ritron.com, 800-872-1872 Ritron Radio Callbox Provides Wireless Communication from Cab Following extensive truck and engine testing, Mack Trucks signed off on the use of renewable diesel fuel in all Mack engines. Renewable diesel fuel delivers performance similar to diesel refined from petroleum, but with several additional customer benefits, including reduced greenhouse gas and particulate emissions, as well as decreased mainte- nance costs. "As the availability and customer requests for renewable diesel fuel increase, we worked to ensure its compatibility with our engines," said Stu Russoli, Mack highway and powertrain products marketing manager. "This approval gives Mack customers who seek to reduce their environmental footprint an additional choice when it comes to alternative fuels."' Similar to conventional biodiesel, renewable diesel fuel is derived from biomass feedstocks, including animal fats and oils. However, unlike biodiesel, renewable diesel fuel is produced using a different process and maintains physi- cal properties and performance similar to petroleum diesel, meeting the same ASTM D975 standard. Renewable diesel fuel offers several environmental benefits, including reducing particulate matter. A life cycle analy- sis of renewable diesel fuel conducted by the California Air Resources Board also demonstrated reductions in greenhouse gases by 15 to 80 percent, depending on feedstock source used. Customers can also save money with renewable diesel fuel, as it requires fewer maintenance costs compared to other alternative fuels. The addition of renewable diesel fuel adds to Mack's alterna- tive fuel offerings. The Cummins-Westport ISX12 G natural gas-powered engine is currently available in Mack Pinna- cle DayCab model. The Mack LR and Mack TerraPro cabover models also offer natural gas options with the availability of the Cummins-Westport ISL G engine. Mack Trucks, www.macktrucks.com, 866-298-6586 Mack Green-Lights Renewable Diesel Fuel for Use in its Engines