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HOTSTART offers a compact, diesel-powered locomotive heating system designed to eliminate wasteful idling and it is small enough to fit in any locomotive, the company says. HOTSTART says its APU provides short lines and switching operations a low-cost option for diesel-driven locomotive heating. Compared with other APUs in the market, the HOTSTART APU is small enough to fit in the nose of most locomotives as well as any car body or walkway, the company says, adding that its simplified design features accessible components designed to allow for quick and easy servicing. The HOTSTART APU is designed to eliminate idling when a locomotive is shut down or put in layover where no electrical service is available. For more information, visit the company's Web site.