E15 is available in 31 states at just over 3,000 stations. E10 remains the limit for passenger vehicles older than model year 2001 and for other non-road and small engines and vehicles that use gasoline, such as lawn mowers, motorcycles, and boats.
The decision marks the third consecutive year the administration has lengthened the period during which Americans can keep buying E15, a gasoline that uses a 15% ethanol blend. Sales are effectively blocked from June 1 to Sept.
Adding ethanol to gasoline is known to increase smog pollution in hot weather, but research has shown little difference between E15 and the more-widely available E10 blends.
Has that always been the law and I just never noticed a sticker like that before?
Not sure how long it’s been a law but not a ton of places sell E15. I only ever see it on road trips personally.
https://afdc.energy.gov/fuels/ethanol-e15
Also this just happened: https://www.reuters.com/business/energy/us-epa-allows-temporary-expansion-higher-ethanol-gasoline-blend-this-summer-2024-04-19/
To put that in context, we have almost 200,000 gas stations. Like 1.5% sell it