Waymo self-driving minivan will start test drives this month

Features Associated Press

  • John Krafcik, CEO of Waymo, the autonomous vehicle company created by Google's parent company, Alphabet introduces a Chrysler Pacifica hybrid outfitted with Waymo's own suite of sensors and radar at the North American International Auto Show in Detroit, Sunday, Jan. 8, 2017. (AP Photo/Paul Sancya)

    John Krafcik, CEO of Waymo, the autonomous vehicle company created by Google's parent company, Alphabet introduces a Chrysler Pacifica hybrid outfitted with Waymo's own suite of sensors and radar at the North American International Auto Show in ... Detroit, Sunday, Jan. 8, 2017. (AP Photo/Paul Sancya) (The Associated Press)

  • A Chrysler Pacifica hybrid outfitted with Waymo's suite of sensors and radar is shown at the North American International Auto Show in Detroit, Sunday, Jan. 8, 2017. Waymo is the autonomous vehicle company created by Google's parent company, Alphabet. (AP Photo/Paul Sancya)

    A Chrysler Pacifica hybrid outfitted with Waymo's suite of sensors and radar is shown at the North American International Auto Show in Detroit, Sunday, Jan. 8, 2017. Waymo is the autonomous vehicle company created by Google's parent company, Alphabet.... (AP Photo/Paul Sancya) (The Associated Press)

  • John Krafcik, CEO of Waymo, the autonomous vehicle company created by Google's parent company, Alphabet introduces a Chrysler Pacifica hybrid outfitted with Waymo's own suite of sensors and radar at the North American International Auto Show in Detroit, Sunday, Jan. 8, 2017. (AP Photo/Paul Sancya)

    John Krafcik, CEO of Waymo, the autonomous vehicle company created by Google's parent company, Alphabet introduces a Chrysler Pacifica hybrid outfitted with Waymo's own suite of sensors and radar at the North American International Auto Show in ... Detroit, Sunday, Jan. 8, 2017. (AP Photo/Paul Sancya) (The Associated Press)

Waymo, Google's self-driving car division, will start testing its new fleet of minivans on public roads in California and Arizona later this month.

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The minivans, built in collaboration with Fiat Chrysler, are Chrysler Pacifica hybrids outfitted with Waymo's own suite of sensors and radar.

In a speech at the Detroit auto show Sunday, CEO John Krafcik revealed that Waymo built the sensors, radar and software for the new minivans in-house.

Krafcik said the company felt the system would work better if it was developed specifically for self-driving instead of using off-the-shelf parts. He said Waymo was also able to significantly lower the cost of the system.

Krafcik reiterated that Waymo doesn't plan to build its own cars, but provide self-driving systems to established carmakers or car-sharing services.