Your concern for interference in the free market is not unfounded, but, there are situations

that make subsidies beneficial to the national interest...in this case the issue is the need for a rapid shift away from burning fossil fuels...and from preserving them.

I've attached a link on this issue from 'Investopedia', and here is an excerpt of the key points...
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KEY TAKEAWAYS
>Subsidies are payments, tax breaks, or other forms of economic support given by governments to certain industries or economic sectors.
>The goal of subsidies is to aid or support what are deemed to be key parts of the economy or national infrastructure.
>While subsidies may have a direct positive impact on the particular industry or companies involved, economists argue that subsidies work against free trade and create market inefficiencies.
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Given the global acceptance of Climate Change as a threat to all nations, it is deemed essential that we shift our energy strategy...and attendant infrastructure away from fossil fuels...and waiting for a widely disparate market to coalesce around a common solution is IMO foolhardy...therefore, if falls upon government to provide the necessary 'incentives' that will more quickly effect those changes...simple as that...it's URGENT...whether you like it or not, 193+ nations agree.

Link: https://www.investopedia.com/ask/answers/060215/how-do-government-subsidies-help-industry.asp