Author Archives: Gregory Van Tighem

About Gregory Van Tighem

Gregory Van Tighem is a business writer is Seattle. You can reach him at vantighem@siefkespetit.com.

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Truck and engine manufacturers have introduced numerous innovations in new truck models responding to ever-changing environmental regulations and the need to reduce the greenhouse gases that contribute to global warming. With the price of diesel fuel at record levels, they’re working to provide new technologies that maximize driver productivity and fuel economy.   Olen Hunter,