Any electric car that uses batteries needs a charging system to recharge the batteries. The charging system has two goals: To pump electricity into the batteries as quickly as the batteries will allow. To monitor the batteries and avoid damaging them during the charging process.
A filibuster is a parliamentary procedure where debate over a proposed piece of legislation is extended, allowing one or more members to delay or entirely prevent a vote on the proposal.
It takes 60 votes in the Senate to block a filibuster, or an unlimited debate. Senate rules allow any member or group of senators to speak as long as necessary on an issue.