An example of this, if you look at another kind of industry, if you will, is PSPC's light duty vehicle procurement, where we have moved into using hybrid electric vehicles, and we are looking at the performance element of that, which is the reduction of GHG emissions, CO2 emissions, as part of our evaluation of the overall procurement, and to date we've been highly successful.
On February 27th, 2018. See this statement in context.