President Joe Biden speaks at the United Auto Workers political convention at the Marriott Marquis in Washington, D.C., Jan. 24, 2024.Saul Loeb | AFP | Getty ImagesDETROIT — The Biden administration's decision to ease its timeline for all-electric vehicle adoption and give automakers more ways to meet new tailpipe emissions standards is expected to be a win for legacy automakers.The new Environmental Protection Agency rules released Wednesday aim to cut tailpipe emissions by 49% between model ye...