Not exactly new
The article so distorts this paper that it is impossible to comment on it, one could only start from scratch and rewrite every word.
What I really don't like about the paper is that it sets out to debunk denialist claims and papers that set out to counter a particular view tend to be much less reliable than ones where someone has simply gone out and done piece of science and come up with a result. A notable aspect of its approach is to accept denialst interpretation of the temperature record in the first instance, its clearly intended for a particular audience. If the paper is correct, it does potentially add to the understanding of short term global temperature changes but there's actually been a lot of other papers on this topic, here's 3 examples, one from 1995, one from 2005 & one from 2010
Climate response to increasing levels of greenhouse gases and sulphate aerosols, J. F. B. Mitchell, T. C. Johns, J. M. Gregory & S. F. B. Tett Nature 376, 501 - 504 (10 August 1995); doi:10.1038/376501a0
Strong present-day aerosol cooling implies a hot future, Meinrat O. Andreae, Chris D. Jones, Peter M. Cox Nature 435, 1187-1190 (30 June 2005) | doi:10.1038/nature03671
Aerosol exposure versus aerosol cooling of climate: what is the optimal emission reduction strategy for human health?, Löndahl, J., Swietlicki, E., Lindgren, E., and Loft, S.: Atmos. Chem. Phys., 10, 9441-9449, doi:10.5194/acp-10-9441-2010
There is also the recently concluded European Integrated project on Aerosol Cloud Climate and Air Quality Interaction based at the University of Helsinki,, an article on their conclusions can be found here
along with some older articles on the topic.
As to articles suggestion that the best way to counter global warming is to burn more fossil fuels, that is only true if you want to live in a world of smog ridden cities with all the associated health problems & then only until the fossil fuels run out which they will do rather more quickly than expected if we increase use.