1. fossil / sources / by / renewable / increasingly / replaced / energy / fuels / are / .
2. big/How/drive/?/alternative/machinery/to/will/we/energy/use/much
3. will/time/not/this/impact/of/testing/wind/Susan/tomorrow/power/be/the
4. consumption/as/needs/energy/to /The/as/possible/reduced/much/be
5. polluting/environment/oil/costs/its/of/,/money/and/lot/waste/is/Using/also/a/the