Midwest gasoline supplies hit a record low as Senate elections near. That is regional tightness with a political calendar attached. Watch whether the squeeze stays local or starts leaking into nationa

What happened: Gasoline stockpiles in the Midwest fell to a record low as Senate elections approach, while national gasoline stocks rose last week. Key numbers: Midwest stockpiles fell to 41 million barrels. National gasoline stocks rose 3.9 million barrels last week. Why it matters: The regional supply squeeze comes ahead of Senate elections, a timing the content links to the low stockpile level.

Gasoline stockpiles in the Midwest fell to a record low as Senate elections approach, while national gasoline stocks rose last week.

The regional supply squeeze comes ahead of Senate elections, a timing the content links to the low stockpile level.