What's the difference between first and second generation solar cells? | Ep 205

How can semiconductors bring electric vehicles to the next stage? | Ep 204

What are semiconductors? | Ep 203

How much data do smart grids collect? | Ep 202

Are researchers using smart grid data? | Ep 201

What is a smart grid? | Ep. 200

Why is forecasting electricity demand hard? | Ep. 199

How is demand for electricity forecasted? | Ep. 198

Why do electric providers predict electricity demand? | Ep 197

Where was the first nuclear power plant built for domestic peacetime located? | Ep. 196

What fuel did Pittsburgh's first street lamps consume? | Ep. 195

Were there ever natural gas wells within the city of Pittsburgh's boundaries? | Ep. 194

What cities used to be the nation’s centers for refining petroleum? | Ep. 193

Which fuel sources were the most important in Pittsburgh’s history? | Ep. 192

Is biomass a viable energy source? | Ep. 191

What are biofuels and what are they used for? | Ep. 190

Do you ever worry about the environmental impact of all the plastic we use? | Ep. 189

Will we ever run out of fossil fuels? | Ep. 188

What is crude oil and how do we turn it into useful products? | Ep. 187

A lot of cities have goals to reduce greenhouse gases. What are they doing in Pittsburgh? | Ep. 186