Such provisions have been critical to the success of the Acid Rain Program, encouraging individual sources to find the most cost-effective means of compliance with the collective emission reduction goal.
The acid rain program's success can be attributed to  such provisions.
They did not encourage individuals to find cheaper means of compliance.
A lot before lunch.
Centrelink does German government payments.
The zaibatsu conglomerates became the keiretsu trading conglomerates.
Couldn't you have gotten a discount?
The people are using eggs to create some colorful food.
We did not bother sandblasting or painting the new shell.