The phrase "aggressive efficiency" is correct and usable in written English.
It can be used to describe a method or approach that prioritizes speed and effectiveness, often in a forceful or assertive manner.
Example: "The company's strategy focused on aggressive efficiency, allowing them to outpace competitors in the market."
Alternatives: "intense productivity" or "driven effectiveness."
They are doing this by implementing fuel efficiency standards for cars that far exceed our own and by going after their top thousand industries with very aggressive efficiency targets.
Mr. O'Shaughnessy's aggressive efficiency and dexterity with numbers is part of the reason LivingSocial has been able to grow as fast as it has, according to several of his colleagues.
Load forecasting and transmission planning background is summarized, the theoretical and empirical aspects of the hybrid methodology described, and the assumptions, structure, data development, and results of the aggressive efficiency scenario are presented.
China has now pledged that its emissions will peak by 2030 – and it could only do that because China has been quietly adopting aggressive efficiency measures and doing its best to expand output of its least polluting energy sources such as natural gas, nuclear and renewables.
The MoD was already in the middle of a "very aggressive" efficiency drive, he added.
And speaking of destinations, the Shedd Aquarium has signed on too, adding its huge attendance and aggressive efficiency plans to the mix.
However, compared with much more aggressive energy efficiency policies under the SPS, the ongoing energy policies and measures in China show lower availabilities, efficiency and potentials.
California is famous for its aggressive energy efficiency policies.
China has already adopted the most aggressive energy efficiency program in the world.
That bill was a forerunner of the aggressive automobile efficiency standards approved in 2009 by President Obama.
A 2002 California law requiring cuts in carbon-dioxide emissions from automobiles led to the aggressive fuel efficiency standards approved by President Obama.
