The online auction giant said it doubted how the video game retailer would finance its offer.
An international air body suggests wider acceptance of US-grade jet fuel could help to head off any supply problems.
The levy was introduced in 2022 after soaring energy company profits and is due to run until 2030.
The stores were purchased by Modella Capital last year, and then rebranded under the name TGJones.
No extra price rises are slated for the UK, which saw better than expected sales in the first quarter.
Under the changed system customers collect points rather than reward coupons, with £1 spent equalling one point.
The airline had been in talks with the Trump administration about a $500m bailout.
All but nine of the Mediterranean chain's 28 outlets are being taken over by the family-owned Karali group.
Musk must meet a range of ambitious milestones at Tesla to justify the monster pay packet - so far he has not.
