Who invented the four-stroke engine that was crucial for early automobiles?

In 1888, what is considered to be the first electric car appeared in Germany, the Flocken Elektrowagen, invented by the inventor and entrepreneur Andreas ... Sep 20, 2022 ... In 1968 automakers realized the growing demand for safer vehicle accommodations for children. One of them, the Ford Motor Company, came up with ... Cable cars were high tech when new, revolutionizing urban transit. Here's ... The 1957 closure of a cable line in New Zealand made San Francisco's cable cars ... Arie Haagen-Smit discovered the nature and causes of photochemical smog. He made the discovery while on a one-year leave of absence from Caltech, where he was a ... Nov 22, 2024 ... Air pollution and cars were first linked in the early 1950's by a ... year and made available nationwide in 2001. 1999. EPA finalizes ... Oct 6, 2017 ... Power windows or electric windows are automobile windows which can be raised and lowered by pressing a button or switch, as opposed to using ... However, the role cars play in daily life is vastly different now than when tracking began. In 1913, there were about 1.3 million vehicles and 2 million ... ... were able to tell what atmospheric conditions were like 150,000 years ago. ... 1997 - Hybrid cars invented. The first mass-market electric hybrid car is ... Cable cars were invented by Andrew Smith Hallidie here in San Francisco in 1873. Hallidie's cable car system was based on early mining conveyance systems. What were the first motor cars? The motor car was developed over many ... When were Cats Eyes (reflective road studs) first invented? Reflective Cats ...