A major emphasis is on the historically important, nonrenewable fossil fuels that have stimulated economic success of the developed economies of the world.
(A major emphasis; is; on the historically important, nonrenewable fossil fuels) (the historically important, nonrenewable fossil fuels; have stimulated; economic success of the developed economies of the world)
A major emphasis the historically important, nonrenewable fossil fuels
is have stimulated
on the historically important, nonrenewable fossil fuels
economic success of the developed economies of the world