Lymphoma, which is a cancer of the lymphatic system, also causes the lymph nodes to swell. Some medications and allergic reactions to medications can cause the lymph nodes to swell. Anti-seizure and antimalarial drugs can also cause lymph nodes to swell.
Projected Gas Prices for 2016. Gas prices hit an average of $4 per gallon at the pump in the United States in March 2014 and then bottomed to an average price of $2.46 per gallon in October 2015.
Estimated cost of hydrogen per kilogram in a variety of scenarios. With all of this in mind, here are the cost estimates per kilogram (which each include $1.25 for taxes): Hydrogen from natural gas (produced via steam reforming at fueling station). $4 â $5 per kilogram of hydrogen.