Also, Donald Trump is authoritarian. 
Kalifornia refineries are forced to change the fuel “blend” every 3 or 4 months. Yes, the Kalifornia leviathan “justifies” these “blends” by invoking the usual suspects: pollution, and the Globull Climate Hoax.
Also, Donald Trump is authoritarian.
You realize these ‘fuel blends’ are just something they squirt in the trucks after they have filled up and before they leave the refinery. The gas all comes out of the same tank. I’ve seen it. Yes, I know it’s ridiculous.
We have winter and summer blends in Colorado. This is interesting:
“Winter blend gasoline is more expensive. It contains about 2% more energy than the summer blend, resulting in better gas mileage during the summer months. However, winter blends are cheaper to produce, leading to lower gas prices from late September through late April”