We often assume that the Chinese leadership is inscrutable on every subject, not least of which is its energy policy, but evidence has emerged this week that supports both views, that China genuinely wants to do its best for climate change, but it is behaving opportunistically, week to week, in order to get there. The outcome is not so very different from any of the major western powers, resulting in less coal fired power plants being built, a major investment in gas as a cross-over fuel, and a systematic forcing of renewables down to a price where they no longer need to consider anything else. The only danger is perhaps if it runs out of road on its exist route…