As a result, the price spread between premium and regular unleaded has spiked to a record high above 40 cents a gallon, as the chart below makes clear. View photo. Price difference between premium & regular unleaded gasoline per gallon (1994-2015).The fat premium thatâs now being demanded for premium is one more reason for most drivers to stick to plain old 87-octane regular â which is perfectly fine for the vast majority of recent-model cars.s a result, the price spread between premium and regular unleaded has spiked to a record high above 40 cents a gallon, as the chart below makes clear. View photo. Price difference between premium & regular unleaded gasoline per gallon (1994-2015).
Submit. The term angiosperm is used to identify all the flowering plants in the world. As a flowering plant, the water lily (Nymphaeaceae) is an angiosperm. About 80 percent of all the plants on earth are angiosperms.
angiosperm. n. 1. (Plants) any seed-bearing plant of the phylum Angiospermophyta (division Angiospermae in traditional systems), in which the ovules are enclosed in an ovary, which develops into the fruit after fertilization; any flowering plant.