Hennessey is back at it with a new supercharger upgrade for GM's full-size SUVs, this time with a boost for the refreshed ...

General Motors pledged Thursday to take additional steps to boost its US supply chain after projecting a $4-5 billion hit to ...

GM said the outlook reflects the positive impact of the Administration's actions this week. The automaker has been in ongoing dialogue with the White House and credited the discussions with helping ...