MELBOURNE :Oil prices fell on Tuesday, reversing gains in the previous session, on growing talk the United States, Japan and India will release crude reserves to tame prices despite the threat of demand faltering as COVID-19 cases flare up in Europe. The United States is expected to announce a loan of crude oil from its emergency stockpile on Tuesday as part of a plan it hashed out with major Asian energy consumers to lower energy prices, a Biden administration source familiar with the situation said.