[PAR] [TLE] Railpower GG20B [SEP] The Railpower GG20B "Green Goat" is a low-emissions diesel hybrid switcher locomotive built by Railpower Technologies Corp. It is powered by a single Caterpillar C9 six cylinder inline engine developing 300 hp , which is also connected to a large battery bank where both sources combine for a total power output of 2000 hp .  To date, there have been more than 50 GG20B diesel hybrid genset switchers manufactured since their first introduction in 2004. [PAR] [TLE] Caterpillar Inc. [SEP] Caterpillar Inc. () is an American corporation which designs, develops, engineers, manufactures, markets and sells machinery, engines, financial products and insurance to customers via a worldwide dealer network.
[PAR] [TLE] Railpower GG20B [ SEP ] The Railpower GG20B " Green Goat " is a low - emissions diesel hybrid switcher locomotive built by Railpower Technologies Corp. It is powered by a single Caterpillar C9 six cylinder inline engine developing 300 hp , which is also connected to a large battery bank where both sources combine for a total power output of 2000 hp . To date , there have been more than 50 GG20B diesel hybrid genset switchers manufactured since their first introduction in 2004 . [PAR] [TLE] Caterpillar Inc. [ SEP ] Caterpillar Inc. ( ) is an American corporation which designs , develops , engineers , manufactures , markets and sells machinery , engines , financial products and insurance to customers via a worldwide dealer network .
The Railpower GG20B "Green Goat" is powered by an item sold by what American corporation?
The Railpower GG20B " Green Goat " is powered by an item sold by what American corporation ?
Caterpillar Inc.
Caterpillar Inc.