The same propulsion technology that goes into rockets has made hypersonic speeds Mach 5 and beyond, i.e., more than 5 times the speed of sound possible since the 1950s. However, to make hypersonic flight more common and far less expensive than a rocket launch, engineers and scientists are working on advanced jet.
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IMAGE: Argonne researchers used supercomputers to optimize the design of piston bowls in heavy-duty engines for Caterpillar Inc. The top designs reduced fuel consumption and soot formation, and others had potential. view more
Credit: (Image by Chao Xu/Argonne National Laboratory.)
Argonne is helping Caterpillar improve efficiency and reduce emissions in their heavy-duty diesel engines.
Heavy-duty diesel engines still power most large vehicles used in the construction, mining and transportation industries in the United States. Engineers are working to improve the fuel efficiency of these engines while minimizing pollution to reduce energy consumption and ensure the sustainability of these industries in the future.