Rio de Janeiro — The Argentine government has rejected a request by Vale SA for a $1.5-$2 billion tax break as a condition to bringing Vale’s idled $5.9 billion Rio Colorado potash project back into commission. Rather than cutting taxes, the government suggests that Vale find partners. Vale announced a few weeks ago that it had suspended the project (GM Jan. 28, p. 10). Argentine authorities have given Vale until the end of February to come up with a plan to restart construction.