Martyn WilliamsSenior U.S. Correspondent, IDG News Service

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Martyn Williams covers Silicon Valley and general technology breaking news for the IDG News Service, and is based in San Francisco.

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San Francisco has had its first self-driving car accident

San Francisco saw its first traffic accident involving an autonomous car earlier this month when a Nissan Leaf autonomous vehicle operated by Cruise Automation hit a parked Toyota Prius.

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Major tech companies spent millions more on lobbying in 2015

Most major tech companies increased the amount of money they spent attempting to influence lawmakers in Washington, D.C., through federal lobbying.

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Automakers will collaborate to try to stop car hacks before they happen

Major automakers plan to work with the U.S. government to attempt to proactively deter hacks of connected cars before they become a major issue.

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Obama will ask for $4 billion for self-driving car research

The U.S. government plans to spend almost $4 billion over the next 10 years on research into autonomous driving and, as a first step, will come up with a set of model regulations to govern the technology and its use on public roads across the country.

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Rinspeed's Etos car has its own drone and Microsoft Cortana

Swiss designer Rinspeed has come up with a good looking concept car that's packed with technology for the business user. The Etos is based on a BMW i8 but has what might be described as a turbo tech package.

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This Toyota can get you online from anywhere

It's a common feature of long distance driving: the Internet dead zone. Usually when you most need directions or have to make a call, you're in the middle of nowhere with no signal and a lot of frustration.

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Audi, Lexus reveal hydrogen concept cars in Detroit

Audi unveiled a sporty SUV concept powered by a hydrogen fuel cell at North American International Auto Show on Monday.

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Ford takes its autonomous car for a drive in snow

Ford is giving its autonomous cars a challenge not yet faced by Google's self-driving car fleet in Silicon Valley: snow.

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Audi's lunar rover lands in Detroit

It’s not the typical type of vehicle you see unveiled at the Detroit Auto Show, but on Monday Audi showed off a lunar rover developed with its assistance by a team of private scientists in pursuit of Google’s Lunar Xprize.

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This lithium-ion battery of the future won't overheat

Researchers at Stanford University have developed a lithium-ion battery that shuts down as it begins to overheat, potentially meaning the types of catastrophic fires seen in hoverboards, laptops and airliners could become a thing of the past.

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You drive this Lincoln with a game controller

If you think sitting in the back seat of a full-size Lincoln MKZ and driving it with a game controller sounds like a dangerous proposition, you're right. It is. But that's just what's possible with a car brought to CES by Illinois-based AutonomouStuff.

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White House hopes for 'common ground' in Silicon Valley meeting

The White House hopes a Friday summit between senior government officials and Silicon Valley tech leaders will find common ground on ways the two can work together to combat extremism and radicalization.

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Renault Nissan plans 10 autonomous cars by 2020

Renault Nissan plans to launch 10 cars in the next four years featuring autonomous driving technology.

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Inside the mobile drone command post of the future

At a fraction of the cost of a helicopter, it's no surprise that public safety agencies and media companies are eyeing drones for serious work but how to monitor and control them? The Trident is a converted Mercedes Benz van that can act as a complete mobile command post for drones.

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Sony's elegant Bluetooth Glass Speaker adds mood to music

Sony's attractive Glass Speaker is an affordable version of a $10,000 speaker the company launched in 2008.