NEW DELHI, Dec 2 (Reuters) - Indian engineering conglomerate Larsen & Toubro (LART.NS) said on Thursday it will jointly own and operate green hydrogen projects with Goldman Sachs-backed green energy producer ReNew Power. The partnership between L&T and the renewable energy company is the latest big-ticket entry into the green hydrogen production space in India, following announcements of ambitious plans by Mukesh Ambani and Gautam Adani, two of Asia"s richest men.