The new standards include a 25 percent cut to tractor-trailer emissions and fuel use in the next decade.

You probably know Columbus, Indiana-based Cummins for inline six-cylinder diesel engines in heavy-duty Ram pickups, but it just happened to have a smaller 5.0-liter V8 diesel under development when Nissan came calling.

Preliminary reports are that one person was shot dead Thursday morning at the Cummins Inc. engine plant in Seymour and that the assailant then died by suicide.

The first few batch of biofuel have been generated at the Indy Zoo as part of a new conservation initiative.

The job cuts, which are expected to be completed mostly by the end of the year, represent about 4 percent of the company's total worldwide workforce of more than 54,600.

The new Cummins Seymour Technical Center is on the same site as the company's Seymour Engine Plant, putting those who design its high-horsepower engines closer to the workers who build and test them.

Sales of the Cummins-powered 2016 Nissan Titan begin later this year.