Io's metallic core makes up approximately 20% of its mass. Depending on the amount of sulfur in the core, the core has a radius between 350 and 650 km (220â400 mi) if it is composed almost entirely of iron, or between 550 and 900 km (340â560 mi) for a core consisting of a mix of iron and sulfur.
In 1886, Karl Benz developed a petrol- or gasoline-powered automobile. This is also considered to be the first production vehicle as Benz made several other identical copies. At the turn of the 20th century electrically powered automobiles appeared but only occupied a niche market until the turn of the 21st century.
Karl Benz is the god father of all gasoline powered cars. He is widely recognized by the automobile history today. Before this, the first steam powered car was invented by Ferdinand Verbiest and it is said that the first ever car was made in China.ho invented the first car? The first car invented and built in 1885 and unveiled in 1886 by Karl Benz. The first car, Benz Patent Motorwagen, is the first car ever made in history powered by gasoline with an engine motorized by an internal combustion.