As with good quality public transport, these services help make it as easy to live without a car as with one -and in some cases, more easily. While a car-free city may not be possible or even desirable in many areas, the wide palette of newly available mobility options allows metropolitan areas to flourish even as they mitigate the negative impacts of exclusive, and possibly excessive, car use. Table 1 highlights many of the main differences between the two (the author of the source recognises some over-generalisation).