Tesla Motors has revealed a few last details for the production Model X as the first units are delivered to customers.

Speaking at a launch event celebrating the occasion, chief executive Elon Musk began by focusing on safety features. The EV is said to be the only SUV to earn five stars in each government crash-test scenario, thanks to its lack of gasoline engine in the front crumple zone and an extremely low center of gravity.

The CEO also showed off an extremely large HEPA air filter, claimed to effectively remove allergens, soot/smog, bacteria and even viruses down to just 0.01 microns. Drivers can even activate a “bioweapon defense mode” in the climate-control settings, complete with a biohazard symbol beside the typical recirculation button.

The event also served to reiterate a few of the already-announced highlight features that distinguish the Model X from other crossovers. Musk demonstrated the falcon-wing doors, automatic front doors, bicycle carrier and towing capabilities, among other selling points.

The company so far has only detailed the 90-kWh variants that will be available this year, ahead of cheaper packages slated for 2016. The standard 90D boasts 257 miles of range and a zero-to-60 mph sprint in 4.8 seconds. The performance-tuned P90D drops to 250 miles but slashes the acceleration benchmark down to just 3.2 seconds.

Only a handful of units were delivered at the media event. All were purchased in range-topping Signature Series trim, which starts at $132,000 before adding options such as the Ludicrous Speed enhancement.

Due to be unveiled later tonight, the Tesla Model X has received an official range rating from the Environmental Protection Agency.

The 90D variant, equipped with a 90-kWh battery pack, offers the best range of 257 miles and a combined city/highway rating of 92MPGe, consuming 37 kWh per 100 miles.

The performance-focused Model X P90D brings higher performance but with a slight range penalty, bringing the EPA-certified driving distance down to 250 miles on a full charge.

The numbers are fairly close to the Model S 85D and P85D, which offer respective ranges of 270 miles and 253 miles despite less energy capacity. Interestingly, the range discrepancy between the standard dual-motor and performance models is 17 miles for the Model S and just seven miles for the Model X.

The EPA website does not list information for the additional Model X variants, which are not expected to arrive until next year. First deliveries will be limited to the $132,000 Signature Series range topper, to be followed by less luxurious trims and smaller battery packs.

Tesla has already outlined many of the Model X’s features, however there could be a few surprises at the launch event.

Fiat Chrysler Automobile’s Ram Commercial division has inked a new contract with the U.S. Postal Service for 9,113 units of its ProMaster 2500 commercial van.

All 9,113 units of the 2016 ProMaster heading to the USPS will be equipped with Ram’s 280-horsepower 3.6L V6 and six-speed automatic transmission. The Ram ProMaster 2500 uses a front-wheel drive layout, which is unique to the segment.

“The Ram ProMaster is suited to meet the challenging demands of a USPS delivery vehicle,” said Bob Hegbloom, President and CEO, Ram Truck Brand – FCA US. “Reliability, durability, ease of use, lower acquisition and operating costs are hallmarks of the Ram ProMaster.”

The fleet of ProMasters will join the USPS’ fleet of about 190,000 delivery vehicles.

“While each and every one of our fleet customers is important to us, none command our attention like USPS,” said Tim Kuniskis, Vice President – Fleet Operations, FCA – North America. “I can’t think of another more mission-critical service than literally delivering the goods of our nation on a daily basis, and we are honored that USPS chose the Ram ProMaster to help them meet their challenging duty.”

Financial details of the deal were not disclosed, but the 2016 Ram ProMaster carries a base price of $27,040.

Fiat Chrysler Automobiles is currently facing even more trouble with the National Highway Traffic Safety Administration after an internal investigation confirmed problems with accident reporting.

As outlined in government’s early warning reporting (EWR) program, automakers are required to notify the agency when their vehicles are involved in deaths or injuries, warranty claims, property damage, consumer complaints and other issues. The database helps regulators identify potential safety problems.

“As a result of FCA US LLC’s heightened scrutiny of its regulatory reporting obligations growing out of its recent Consent Order with NHTSA, FCA US identified deficiencies in its TREAD reporting,” the company said in a statement, without elaborating. “FCA US promptly notified NHTSA of these issues, and committed to a thorough investigation, to be followed by complete remediation.”

Notably, the NHTSA claims to have notified FCA in late July of an “apparent discrepancy” in the company’s early warning data. The agency’s statement suggests the warning prompted FCA’s internal investigation.

“FCA has informed NHTSA that in investigating that discrepancy, it has found significant under-reported notices and claims of deaths, injuries and other information required as part of the Early Warning Reporting system,” said NHTSA administrator Mark Rosekind. “This represents a significant failure to meet a manufacturer’s safety responsibilities.”

The company did not elaborate with specific details, such as the number of deaths and injuries that may have been excluded from its required reports.

Rosekind claims the agency will take “appropriate action” after gathering additional information on the scope and causes of the failure, suggesting FCA may be facing even more fines.

General Motors chief executive Mary Barra is still working to reform the company’s corporate culture as it emerges from the ignition-switch fiasco.

The recall saga exploded just weeks after Barra took the reins, forcing the company to refocus on safety while simultaneously pushing forward with a new strategy focused on profits rather than raw sales numbers, according to a Bloomberg interview with several top executives.

The rookie CEO has been credited with achieving success in both the business restructuring and in navigating the recall crisis, however the push for a new culture is still a work in progress.

“We used to be a company of best efforts and there was a ‘dog ate my homework excuse’ for not showing results,” she said. “I’m working hard to drive a can-do entrepreneurial spirit.”

The report suggests there is still internal disagreements about a range of issues, and some outside hires are said to be treated as interlopers. Exemplifying the conflicts, sources claim GM’s recruitment of former Samsung designer Dave Townsend ended in failure after just seven months due to internal resistance from GM veterans. At Cadillac, meanwhile, brand chief Johan de Nysschen and GM development boss Mark Reuss reportedly have very different opinions about the luxury marque’s design language.

The company appears to face an even tougher challenge spreading the new culture throughout the company’s hundreds of thousands of lower employees spread across the globe. Most analysts agree with Barra’s assessment that any evolution will likely take years, and some critics doubt it is even possible to achieve the promised changes on such a broad scale.

“The middle in any culture is the hardest to change,” she said.