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Harris County Sheriff Ed Gonzalez confirmed on Friday that one of his deputies was killed during a traffic stop near Houston Friday afternoon. Deputy Sandeep Dhaliwal died after he was shot from behind by a suspect, Gonzalez said. Gonzalez confirmed that two suspects are in custody. Gonzalez said the incident took place as Dhaliwal walked back to his cruiser during the stop."A male suspect exited the vehicle, armed with a pistol, and in a cold-blooded manner, ambush style, shot Dhaliwal from behind," Gonzalez said.Gonzalez said Dhaliwal was the first Sikh member of the Harris County Sheriff's Department, and was known for his dedication to the community. Dhaliwal served as a deputy for 10 years."He was a hero, a respected member of the community and a trailblazer," Gonzalez said. Gonzalez shared a story about Dhaliwal's response during Hurricane Harvey in 2017, which devastated the Houston area. "Post Harvey when we needed the most help, he brought an 18-wheeler of people he gathered who came all the way from California to bring goods to our community," Gonzalez said. Gonzalez said that Dhaliwal also went to Puerto Rico to assist the community of a colleague's family during Hurricane Maria. 1222

Hurricane Dorian brought wind and rain to Florida, but it also brought sunset skies in brilliant shades of purple on Wednesday evening.The phenomenon behind the stunning hues is known as "scattering."According to the 229

Fierce thunderstorms and deadly floods are putting millions at risk across the Midwest and Northeast, following on the heels of twisters that slammed the same part of the country.One person was killed in Arkansas Tuesday evening after drowning in floodwater, police told CNN.The victim, a 64-year-old man, had been driving a small Suzuki SUV, Barling police officer James Breeden said.Authorities said the vehicle appeared to have driven into a flooded roadway that had been barricaded. A deputy sheriff saw a body floating in the water and attempted a rescue, Breeden said. The man's body was located near Fort Chafee.The flooding in Arkansas is part of the severe weather facing several states across the country.More than 39 million people are under an enhanced risk of severe weather from northeastern Texas through the Ohio Valley and into the Northeast, CNN Meteorologist Michael Guy said, with the main threats starting Wednesday afternoon.The National Weather Service 988

Getting from here to there is becoming increasingly more sustainable, in part, by electric cars.“All the cars are getting electrified,” Don Hillebrand, with the Advanced Powertrain Research Facility at Argonne National Labs in Illinois, said. “The minivan and the middle of the road sort of cars and the trucks.”By 2040, more than half of new car sales and a third of all cars on the road across the world are projected to be electric, according to Bloomberg.com.But it raises an important question.“What do you do with these batteries at the end of their life?” Linda Gaines said. Gaines is the chief scientist for Recell Center of Advanced Battery Recycling.“For a long time a lot of us looked at electrification sort of as hype,” Hillebrand explained.Hillebrand works at Argonne National Labs in the energy systems division, focusing on optimizing how energy is used. He sees one big problem in the creation of electric car batteries. “There are not enough fundamental elements that go into batteries for us to make all the batteries we need forever and throw them away when we’re done,” he said.Meaning these elements need to be reused. “The early batteries from 10 years ago are hitting the end of their life,” he said.The global stockpile of these batteries is expected to exceed 3.4 million by 2035, compared to 55,000 in 3018, according to the Institute for Energy Research. Once the battery loses 20 to 30 percent of its capacity, the available driving range gets shorter, so some companies are using them for other purposes.Florida Power and Light is using them for power storage, and Nissan is reusing old Leaf batteries to power Japanese street lights.These companies are repurposing, but researchers think another fix could come in the development stage.“After 10, 15 years, those batteries are going to reach the end of life and we have to do something with them,” Venkat Srinivasan, a battery scientist at Argonne National Labs, said. “We think there are ways in which we can make these batteries last more than 20 years.”And that’s exactly what’s being done inside this facility. The lab he works in is looking into ways to make batteries last longer. But for now, the main focus is on giving them a second life by recycling.“The biggest challenge today in recycling batteries is they’re not economic,” Venkat said.That's where the Recell Battery recycling center and other recycling businesses come into play.“If you can recover the materials in the battery in a usable form,” Linda Gaines explained. “You can actually recover valuable product.” This includes cobalt and other elements. Linda Gaines and Jeff Spangenberger are part of this center. Their goal is to come up with a recycling process that’s profitable.“Some things take more energy and resources to recycle then it did to make them in the first place,” Gaines said. “So, when you’re looking at the whole life cycle of the product, you need to try to figure out what the benefits are and what the costs are to recycle.”To understand size, one pouch cell in an electric car battery is about the size of a tablet. In the generation 1 Chevy Volt there are 288 pouch cells in one battery.Cars have become the biggest user of lithium ion batteries -- even more than consumer electronics, the Institute for Energy Research said.While Recell is looking into ways to make the recycling process more beneficial and profitable, Larry Reaugh with American Manganese, Inc. is doing something similar. “That’s where we come in, we want the battery packs,” Reaugh said. With their process, they are able to recover the elements inside the battery, comparing their operation to a small operating mine.“There’s a lot of money in it, because it’s very valuable material,” he said.As more batteries retire, companies like this will become more important.“There’s a trickle of batteries that are being recycled right now, but there’s gonna be an avalanche of batteries coming in the next 5 to 10 years as cars hit the end of their life,” Hillebrand said. 4027

Hundreds of divers donned their wetsuits and air tanks on Saturday to become the largest group to conduct an underwater cleanup.The Guinness World Record-setting 633 divers 185