Note : Support and Resistance level for the month, calculated based on price range of the previous trading month.

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Upgrading biogas to valuable solid carbon can potentially lead to negative CO 2 emissions with long-term carbon storage but faces substantial thermodynamic and kinetic limits using a single reactor.

Examples in Cuiabá and Canoas show how vulnerable Brazilian urban rail projects are to changes in local politics, as well as the temptation of alternative modes which are seen as less complex, even if ...