4 billion increase in cost-shared research, development, and demonstration of efficient and clean-energy technologies (in 1999 dollars with half as federal appropriations and half as private-sector cost share).
Development of clean-energy technologies continues to increase every year.
mnli hypothesis: Development of clean-energy technologies continues to increase every year. premise: 4 billion increase in cost-shared research, development, and demonstration of efficient and clean-energy technologies (in 1999 dollars with half as federal appropriations and half as private-sector cost share).