Thousands of taxi drivers in Rome, Milan and Turin turned away fares and joined protests against changes in the law they say will favour Uber.
Uber's Travis Kalanick has quit President Trump's business advisory group while Tesla's Elon Musk stays to raise objections for "the greater good".
Last week air pollution took centre stage in France, as Paris and other cities including Lyon, took measures to combat hazardous air quality.
An Afghan teenager, reportedly 16-years-old, has been found strapped to the bottom of a truck, after apparently travelling for around 400 kilometres.
Tesla's boss Elon Musk has unveiled an ambitious expansion plan to build electric trucks and buses as well as set up car sharing and solar energy systems.