Allison-equipped Hydrogen Internal Combustion Engine (H2-ICE) truck demonstrates emissions control capable of outperforming upcoming emissions standards in the U.S. and Europe.INDIANAPOLIS, Sept. 12, 2024 /PRNewswire/ -- Allison Transmission is pleased to announce the integration of the Allison 4000 Series™ transmission with a Class 8 truck equipped with a Hydrogen Internal Combustion Engine (H2-ICE) displayed by Southwest Research Institute (SwRI) at SAE International's Commercial Vehicle Engineering Congr ...