#EnergyEfficiency, the dependable middle child, gets little attention compared to the big brother (renewables) and little sister (clean tech). But it is a bang-for-your-buck solution that is easier to sell to everyone - it saves you money! 1/n What is energy efficiency? Well, there's conservation (don't use as much! turn off the lights!) and there's efficiency (utility efficiency targets, appliance and vehicle standards, building codes, land use incentives, etc.). 2/n