It is a goals versus systems problematic.
One can set a goal of 100% renewables, but with no system in place to get there it is a paper tiger.
Not that it is hard to think of some.
Systems could be stimulation of efficiency measures, subsidizing green power (by the kWh instead of build funds, no building obsolete installations but let the revenue make it worthwhile to build them), tax polluting energy forms gradually.
These remain nudges so the end effect is hard to predict with precision.
But you cannot nudge to 100%. Nor do we really need to yet.
It would already be an achievement if we can set a trend for emissions reduction.
Nudges can take different shapes too.
EV owners are likely to install PV panels on their home. Instead of subsidizing PV panels one could stimulate EVs for the same effect.
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
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Last edited by RedDevil; 02-02-2019 at 07:00 PM..
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