WASHINGTON (Reuters) -American companies rolled out a series of big ticket AI and energy investment pledges on Tuesday, part of a push by U.S. President Donald Trump to maintain America’s edge in the booming technology sector. Here are some of the biggest announcements timed around the Energy and Innovation Summit at Carnegie Mellon University, which is expected to include $90 billion in investments in and around Pennsylvania. Alphabet-owned Google has struck a $3 billion deal with Brookfield Asset Management for electricity generated from two hydropower facilities in Pennsylvania.