Beds Police have released CCTV images as part of crackdown on petty crime across Bedforshire.
In one of the incidents, a motorist left the BP Connect petrol station on Luton Road, Dunstable, without paying for fuel.
The theft happened on Wednesday, May 13 at around 7pm.
Officers would like to speak to the man pictured on CCTV.
If you could help police identify him, please contact the Crime Services Team on 101, with extension number 2184.
The crime reference number is JD/17408/2015.
Alternatively, witnesses can give information to Crimestoppers anonymously by calling 0800 555 111.