In a decision that illustrates how just how far marijuana has moved into the mainstream, California’s largest public utility said it would now offer pot growers the same discounts on energy that it provides other farmers.

For the third time in three years, Fluence Bioengineering, an Austin company that makes lights for indoor plant growing, has moved into a yet-bigger manufacturing facility.

We speak with Randy Mortensen, who heads up a division of Lighting Science focused on cannabis and indoor agriculture.

Electricity-intensive cannabis production has a big carbon footprint, but with legalization, some eco-conscious growers want to make pot a shining model of sustainability.