It is often said that Germany by 1941 had no option but to attack the USSR owing to the fact that there was no other way for Germany to fulfill its requirements for oil. This is a view that has gained popularity but in my estimation at least there is one major flaw in this line of thinking, namely it ignores the possibilities of Germany expanding its hydrogenation capacity.
The OKW estimates in 1941 that it needed 7.25 million barrels of oil per month to meet its needs, around 87 million barrels per annum or 12.4 million tons.
Now in 1941, Germany's home production of oil was only 5.7 million tons per annum, of which 4.1 million came from coal liquefaction, by 1943, oil production from hydrogenation plants had expanded to 5.7 million tons, another 4.7 million tons came from domestic and foreign oil fields, imports constituted around 2.8 million tons of this figure.
Hence total oil supply by 1943 was 10.4 million tons of oil, to fulfill the requirements of 1941 only another 2 million tons of oil or 14 million barrels would be needed, since 1 ton of coal generates 1 - 1.5 barrels of oil, hydrogenation plants with the capacity of liquefy another 14 million tons of coal would have met the 1941 requirements.
Now by 1943 oil requirements were most likely higher then what they had been in 1941, however considering that the German Government by 1942 controlled mines that could produce 420 million tons of coal per annum, if Germany had taken a longer term strategy, instead of invading the USSR and instead just focused on building hydrogenation plants, by 1945-46 Germany could have easily achieved self-sufficiency in oil.
Hence the view that Germany had to go on the offensive to acquire more oil is in my opinion wrong insofar as Germany had more then enough coal with which it could easily attain self-sufficiency in fuel, of course both the OKW and Hitler were very short sighted in their thinking and were extremely impatient so I doubt this possibility was ever seriously considered by them.
For example redirecting just 6% of 1942 coal production, around 25 million tons would have increased oil output by at least 3.5 million tons, nearly double the consumption of the Luftwaffe.
The OKW estimates in 1941 that it needed 7.25 million barrels of oil per month to meet its needs, around 87 million barrels per annum or 12.4 million tons.
Now in 1941, Germany's home production of oil was only 5.7 million tons per annum, of which 4.1 million came from coal liquefaction, by 1943, oil production from hydrogenation plants had expanded to 5.7 million tons, another 4.7 million tons came from domestic and foreign oil fields, imports constituted around 2.8 million tons of this figure.
Hence total oil supply by 1943 was 10.4 million tons of oil, to fulfill the requirements of 1941 only another 2 million tons of oil or 14 million barrels would be needed, since 1 ton of coal generates 1 - 1.5 barrels of oil, hydrogenation plants with the capacity of liquefy another 14 million tons of coal would have met the 1941 requirements.
Now by 1943 oil requirements were most likely higher then what they had been in 1941, however considering that the German Government by 1942 controlled mines that could produce 420 million tons of coal per annum, if Germany had taken a longer term strategy, instead of invading the USSR and instead just focused on building hydrogenation plants, by 1945-46 Germany could have easily achieved self-sufficiency in oil.
Hence the view that Germany had to go on the offensive to acquire more oil is in my opinion wrong insofar as Germany had more then enough coal with which it could easily attain self-sufficiency in fuel, of course both the OKW and Hitler were very short sighted in their thinking and were extremely impatient so I doubt this possibility was ever seriously considered by them.
For example redirecting just 6% of 1942 coal production, around 25 million tons would have increased oil output by at least 3.5 million tons, nearly double the consumption of the Luftwaffe.