I checked and it's not on the list. I swear I saw it before. Or am I mistaken and they never made to the Top Tier?
This sucks, as I ran almost exclusively BP since beginning of this years when my local Chevron stations went to up to 10% ethanol, and BP is consistently cheaper (cheapest major brand) and with lots of promotions (including 5% back on their credit card).
But, no wonder 2 of my 3 cars have plenty of carbon on pistons (I didn't check the third one but it's new).
This sucks, as I ran almost exclusively BP since beginning of this years when my local Chevron stations went to up to 10% ethanol, and BP is consistently cheaper (cheapest major brand) and with lots of promotions (including 5% back on their credit card).
But, no wonder 2 of my 3 cars have plenty of carbon on pistons (I didn't check the third one but it's new).