New Immigrants and Old. Americans at the turn of the century were alarmed about what they perceived as a change in the type of immigrants entering the United States. Some of the traits they saw as distinguishing the new immigrants from the old immigrants were real; some were imagined; some were half-true. The old immigration peaked in the 1880s. The new immigration peaked in 1907.
It is absolutely OK to filter and reuse deep-fry oil. It's not uncommon at some short-order restaurants for them to filter the oil daily and only change it once a week. Of course, it does start to taste a little off when you reuse it that many times.
How is cooking oil converted to biodiesel? Large amounts of cooking oil often equate to serious amounts of fuel that can potentially be created and sold â a major reason why many restaurant chains are recycling and selling their used cooking oil on an industrial scale. At-home fuel producers, however, are on the rise.