Spanish omelette Spanish omelette Spanish omelette is the English name for a traditional dish from Spanish cuisine called tortilla española, tortilla de patatas or tortilla de papas. It is an omelette made with eggs and potatoes, sometimes also with onion and/or chives or garlic; fried in oil and often served cold as an appetizer. It is part of the cuisine of Spain. In Spanish "tortilla" is the diminutive form of "torta", cake; this dish is called "tortilla de patatas" or "tortilla española" to distinguish it from a plain omelette ("tortilla francesa", literally ""French omelette""). These dishes are unrelated to the maize or
Vegetable oil fuel Vegetable oil fuel Vegetable oil can be used as an alternative fuel in diesel engines and in heating oil burners. When vegetable oil is used directly as a fuel, in either modified or unmodified equipment, it is referred to as straight vegetable oil (SVO) or pure plant oil (PPO). Conventional diesel engines can be modified to help ensure that the viscosity of the vegetable oil is low enough to allow proper atomization of the fuel. This prevents incomplete combustion, which would damage the engine by causing a build-up of carbon. Straight vegetable oil can also be blended with conventional diesel