Compared with electric, propane can reduce SOx emissions by 76 percent, and compared with diesel forklift engines, propane forklift engines can produce up to 97 percent fewer hydrocarbon and nitrogen oxide (NOx) emissions—without any drop-off in payload or power.
Through a joint partnership between Stanadyne, Katech, and the Propane Education & Research Council, this new technology will drive the transportation industry further down the path to zero.
Fleet owners looking for a low emission, high efficiency, and affordable engine solution will soon have new technology to turn to thanks to a partnership between Stanadyne, Katech, and the Propane Education & Research Council. The innovation combines Stanadyne’s direct injection fuel pump and injector system with Katech’s vapor lock technology to create the industry’s first medium-duty engine system that can deliver propane autogas at a constant 350-bar pressure directly into the engine. It’s all part of the three company’s combined decarbonization mission.
The breakthrough engine technology overcomes vapor lock, a common technical issue when liquified gases vaporize, which can interrupt fuel pump operation. By finding a solution, the new technology improves engine performance and efficiency. The combined system fueled a standard 6.6L GDI engine during a 250-hour performance and durability test. The tests successfully demonstrated that the technology works with existing engines and that propane autogas can be a low-carbon, high-performance replacement for gasoline and diesel engines.
The new technology will help fleet owners exceed the ultra-low emissions mandates going into place in 2027. Compared to diesel, propane autogas reduces harmful nitrogen oxide emissions by 96 percent and provides a five to 10 percent reduction in carbon dioxide emissions. The engine technology can also utilize renewable propane, which has a carbon intensity four times lower than conventional diesel.
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