There are all sorts of implicit subsidies going from universities and national labs to the IPCC. (rabett.blogspot.ru)
According to the International Monetary Fund, when you factor in implicit subsidies from the failure to charge for pollution, climate change and other externalities, the post-tax cost of support for fossil fuels comes in at close to $ 2 trillion each year. (geoharvey.com)
This is not to argue that cars are evil or should disappear, but rather than one needs to rethink implicit subsidies that allocate resources in ways that may not make sense in the long term. (dotearth.blogs.nytimes.com)