FreightWaves’ Director of Carbon Intelligence, Tyler Cole is joined by Jack Schickler, founder and CEO of Service Professionals Inc. (SPI). Jack is a retired General Motors executive with over 55 years of emission control engineering experience. They dig into the science of making diesel trucks happy, which is the promise of SPI’s latest innovation, the SPIER System. This low-cost retrofit maximizes the performance of diesel engines, reduces greenhouse gas emissions, and lowers maintenance costs.

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