On Tue, 19 Jan 2016 22:23:39 +0000, chris wrote:

Possibly, but there was no difference between states that had a texting
ban vs those which didn't. Which is what was being measured. Any effect
of price was uniform between them.

That's a good point, although, just to the point of price, there *is* a
huge (possibly static?) difference in price state-to-state for gas at
any one time.

Why California Drivers Pay Highest Gas Prices
http://losangeles.cbslocal.com/2015/...st-gas-prices/

Californians seem to be paying higher gas prices than anywhere else
in the country.

According to AAA, the current national average is $2.12 per gallon.
Here is a look at the gas prices from around the country:
NATIONAL AVERAGE PRICES
State Gallon
Colorado $2.00
Florida $2.15
Illinois $2.08
Massachusetts $2.13
Minnesota $2.09
Montana $2.34
New Jersey $1.86
North Carolina $2.01
Pennsylvania $2.32
Texas $1.90
Washington State $2.50
Source: AAA

In California, drivers pay an average of $2.78 a gallon,
60 cents above the national average.