A nitrous oxide engine is an engine in which the oxygen required for burning the fuel stems from the decomposition of nitrous oxide (N2O) rather than air.
What is Rocky Mountain spotted fever? Rocky Mountain spotted fever (RMSF) is a tick-borne disease caused by a rickettsia (a microbe that differs somewhat from bacteria and virus). Fewer than 50 cases are reported annually in New York State.
Rash caused by Rocky Mountain spotted fever. Although many people become ill within the first week after infection, signs and symptoms may not appear for up to 14 days. Initial signs and symptoms of Rocky Mountain spotted fever often are nonspecific and can mimic those of other illnesses: 1  High fever. 2  Chills. 3  Severe headache. 4  Muscle aches. 5  Nausea and vomiting.