Possible Clues:

• Old but new again
• Vehicle in bright colour brought back from the junkyard?
• Raced again at the velodrome?
• Separated plastics and paper, e.g.
• Reused
• Embarrassed admitting bike is sent for scrap, perhaps
• Used again after processing
• Embarrassed about vehicle that's used again
• Two-wheeler in red (was green?)
• Made use again of series in the red