In oil industries need to know all the work with a finite resources however the prices are fluctuate wildly but the long term is trend upward it's just whether all current system that run on oil can be converted for other power source it will not be long after it runs out .the oil will be fine for a while it is a glut right now but that can be lighter right up to any days and the electric earns at this moment that aren't a problem for the oil industry.this oil industry needs to have a lot of good years .cars needed at least 9 to 10 years need a lot of development on batteries and changing stations ...