Alternative Energy Techniques: Due to the finite availability of fuels like coal and petrol, they proposed that Lucas concentrate on renewable sources of energy generation and developing more efficient methods of energy conservation from fuel sources.
(they; proposed; that Lucas concentrate on renewable sources of energy generation and developing more efficient methods of energy conservation from fuel sources) Context(they proposed,List([93, 106))):(Lucas; concentrate; on renewable sources of energy generation) Context(they proposed Lucas concentrate,List([93, 129))):(Lucas; concentrate on renewable sources of energy generation developing; more efficient methods of energy conservation from fuel sources)
they proposed,List([93, 106)) they proposed Lucas concentrate,List([93, 129))
they Lucas Lucas
proposed concentrate concentrate on renewable sources of energy generation developing
that Lucas concentrate on renewable sources of energy generation and developing more efficient methods of energy conservation from fuel sources
on renewable sources of energy generation
more efficient methods of energy conservation from fuel sources