COLUMBUS, Ind.--(BUSINESS WIRE)--March 31, 2005--Cummins Inc. (NYSE:CMI) has driven down costs, improved the quality of its products and beefed up customer service by using Six Sigma quality ...

Heavy-duty trucks and industrial vehicles depend on more than just diesel fuel and horsepower — the brains behind their brawn often lie in diagnostic software, and Cummins INSITE is one such tool.