Page 28 - jul-aug 2023

Ne w S tudy: Pr op ane T erminal T r ac t or s Up T o
New Study: Propane Terminal Tractors Up To
99 Percent Cleaner than Diesel
99 P er c ent Cle aner than Diesel

Port Newark Container Terminal emissions data shows propane far
surpasses diesel in terminal tractor emissions reduction

ew data released from the Propane propane engine, which is over 90 percent cleaner
Education & Research Council (PERC) than mandated U.S. Environmental Protection
and Port Newark Container Termi- Agency (EPA) standards and certified to the
Nnal (PNCT) shows propane-powered optional ultra-low NOx emissions standard as
terminal tractors are significantly cleaner than defined by the California Air Resources Board
their diesel counterparts in several key emis- (CARB) for heavy-duty engines with .02 grams of
sions reduction areas. per brake horsepower. Plus, the propane engine

In recent testing at PNCT, researchers competes with diesel engines on performance,
collected emissions data from a MAFI-manu- providing 270 horsepower with 565 lb-ft of
factured propane terminal tractor and Tier 4 torque.
diesel technologies. The results confirm the “Propane technology
propane-powered tractor yielded 99 percent adoptions are continuing to
fewer nitrogen oxide (NOx) composite and idle
emissions than either diesel tractor. Additional- grow at ports, terminals, and
ly, the propane tractor produced 77.5 percent warehouses throughout the
fewer THC idle emissions, 14 percent fewer country to eliminate diesel
brake-specific carbon dioxide emissions, and
75 percent fewer TPM emissions than the die- emissions and make significant
sel tractors. strides toward greenhouse gas
MAFI’s propane tractor is powered by reduction.”
Power Solutions International’s (PSI) 8.8-liter
Gavin Hale, vice president of business development at PERC

28 Alabama Propane Gas Association | July / August 2023