Reuters: Three Chinese ministries will soon submit a proposal for an environmental tax on a trial basis, the China Business News reported on Thursday. The tax would be tested in four largely rural provinces, Hubei, Hunan, Jiangxi and Gansu, the newspaper said. The finance ministry, environmental protection ministry and tax administration were set to make the proposal to the State Council, or cabinet, it added. An environmental tax, likely to be levied on emissions of carbon dioxide and …