	caltex to raise bahrain oil product prices caltex petroleum corp said it will raise posted prices for naphtha and several grades of residual fuel in bahrain effective march caltex a joint venture of chevron corp chv and texaco inc tx said its naphtha posting is up four cts a gallon to cts it said it is raising its marine diesel oil posting by cts a barrel to dlrs a barrel light medium and heavy fuel oil postings are up dlrs a barrel the company said this will bring the light fuel oil price to dlrs medium to dlrs and heavy to dlrs the company said reuter 
