International Railway Journal

UP agrees $US 1.2bn locomotive upgrade programme

Union Pacific (UP) has signed a $US 1.2bn contract with Wabtec for the modernisation of AC4400 diesel locomotives.
Railway Gazette International

Union Pacific and Wabtec sign $1·2bn loco modernisation deal

USA: Union Pacific and Wabtec have announced a 'landmark' $1·2bn agreement for the modernisation of the railway's AC4400 ...
Railway Age

For UP, Higher Biodiesel Blends

Union Pacific (UP) will begin using a higher biodiesel blend in locomotives acquired from Wabtec, the Class I railroad reported on March 8. While the units are in use system-wide, UP said it will ...
San Diego Union-Tribune

Union Pacific to spend $1B to upgrade 600 older locomotives

OMAHA, Neb.OMAHA, Neb. — Union Pacific will spend more than $1 billion to upgrade 600 of its old diesel locomotives over the next three years and make them more efficient, but regulators still want it ...
Yahoo

The 10 fastest diesel locomotives

Much to delight of railway enthusiasts, diesel engines clag and snarl and belch out fumes, much to the consternation of just wanted to get to work on time. While the majority of high-speed railway ...