PHILADELPHIA (WPVI) -- Every other week, it seems there is a new challenge for SEPTA riders, and Friday is no different.

U.S. Transportation Secretary Sean Duffy is warning that his department could force SEPTA to stop using a fleet of rail cars due to fire risks.

This comes as Pennsylvania approaches four months without a budget.

And now, SEPTA has announced it will postpone multiple improvement projects in order to continue service, including deferring the purchase of new buses.

READ MORE | Public, City Council confront SEPTA over Silverliner IV safety inspections

The SEPTA board voted to transfer $394 million of local, state and federal capital funds to the operating budget following PennDOT's emergency approval last month to restore full service.

This comes as SEPTA appears l

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