At the close of a hearing in San Francisco, US District Judge Charles Breyer praised the "enormous effort" made by both sides.
Audi's electric cars push, reported by Reuters earlier this week, is part of a strategic overhaul following the emissions scandal at parent Volkswagen.
The lawsuits, announced today, allege that Volkswagen and its affiliates sold more than 40,000 vehicles in the two states with so-called "defeat devices" installed.
Audi will offer on-demand mobility services for premium customers and increase the share of electric vehicles of its overall sales to about a fourth by 2025, the sources said. The Ingolstadt-based brand sold a record 1.8 million cars last year.
Separately, a Justice Department lawyer, Joshua Van Eaton, said discussions and tests were being conducted to resolve the fate of those vehicles, which could take months to rectify.
Using Ola 'Lux', users will be able to book rides in high-end sedans like Jaguar, Mercedes, Audi, BMW, Toyota Camry, Fortuner and Honda Accord, in select areas across Delhi NCR, it said in a statement.
Amazon has been consistently exploring technology that could improve efficiency of distribution or delivery of goods handled by the online retail colossus.
The German makers have decided to recall the vehicles as a voluntary measure following an investigation launched in the wake of the Volkswagen engine-rigging scandal.
The planned experiment, expected to be announced on Thursday, will see local drivers test the cars on public roads in everyday conditions but in limited driving situations such as on express roads and highways, they said.
Last August, BMW, Audi and Mercedes agreed to pay 2.5 billion euros (USD 2.8 billion) to buy Nokia's mapping business as part of plans to develop self-driving cars.
The commitment by 20 automakers, representing more than 99 percent of the US auto market, will make the safety technology a standard feature on cars and light trucks no later than late 2022, the National Highway Traffic Safety Administration (NHTSA) said.
The European carmakers' association, ACEA, said today that February sales in Europe accelerated by 14.3 percent, but VW brand deliveries nudged up just 4.4 percent. VW group sales, boosted by Audi and Skoda, grew by 8 percent, as market share eroded to 23.9 percent.
But while low gas prices are helping push up demand for larger and more powerful cars, they leave carmakers scrambling for ways to make the vehicles more efficient to meet regulations without destroying margins in the profitable segment.
Turnover was up 19 percent on the back of record unit sales of 503,127, up 8 percent from 2014.
The Auto Expo, which was opened to public from February 5 till February 9, saw over 6 lakh auto enthusiasts making it to the marquee event, falling short by about a lakh from what the organisers had expected.
The car satisfies the criteria of the class VR 9 ballistic protection standard, currently the most stringent requirements for civilian high-security sedans, Audi India said in a statement.
2016 Auto Expo: Audi showcases 354PS making SQ5
2016 Auto Expo: Audi showcases S3 Cabriolet
2016 Auto Expo: 2016 Audi A4 showcased
Keeping with the theme of 'mobility for all', the expo opened with car market leader Maruti Suzuki unveiling its much-awaited compact SUV Vitara Brezza, while a host of hybrid and electric vehicles from different manufacturers represented technology of the future.
2016 Auto Expo: Audi R8 V10 Plus launched
2016 Auto Expo: Everything you'll see at Audi's stall
"We are taking care of the customers. We are building the network," said Joe King, Head Audi India.
Volkswagen plans to update the engines of over three lakh vehicles that it recalled in India after a government-ordered probe founding it using diesel engines equipped with a defeat device which help cheat emission tests.
In India, the company has announced to recall 3,23,700 lakh vehicles across its three brands -- Audi, Skoda and Volkswagen -- in India after a government-ordered probe found it using diesel engines equipped with a defeat device which help cheat emission tests.