Ferrari's foot operated DRS - http://www.formula1.com/news/technical/2013/0/1062.html
Clever stuff. Is this similar to the setup on the McLaren 12C road car? All be it a passive version.
Comparison of 2013 -> 2014 engines.
http://www.formula1onlive.com/2013/06/2013-and-2014-renault-f1-engines.html
Single exhaust outlet, from turbine on car centre line
Confirms they expect the turbo to produce at least 2MJ of energy per lap meaning they can discharge the full 4MJ allowed.