Raisin cake grapes." Some recipes in the United States circa the early 1900s utilized lard as an ingredient, which could be used instead of butter. Boiled raisin cake is a type of raisin cake whereby various ingredients are first boiled, after which the batter is placed in cake pans then baked. It is sometimes prepared with the omission of some standard cake ingredients, such as butter, eggs or milk. Boiled raisin cake may have a moist consistency. The cake dates back to the time of the American Civil War (1861–1865), when it was prepared in frontier areas using the Dutch oven. Basic
Vegetable oil fuel used may seem insignificant today, but such oils may perhaps become in course of time of the same importance as some natural mineral oils and the tar products are now." Periodic petroleum shortages spurred research into vegetable oil as a diesel substitute during the 1930s and 1940s, and again in the 1970s and early 1980s when straight vegetable oil enjoyed its highest level of scientific interest. The 1970s also saw the formation of the first commercial enterprise to allow consumers to run straight vegetable oil in their automobiles, Elsbett of Germany. In the 1990s Bougainville conflict, islanders cut off from