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Porsche has filed a patent for a new method of cleaning catalytic converters. The goal is to eliminate the layer of oxides that builds up over time, a problem that reduces the converter’s efficiency and exhaust flow.

The catalytic converter is crucial because it transforms toxic and smog-causing exhaust gases into ones that only warm up the planet. Over time, fuel-saving measures like cylinder deactivation can cause the cats to get covered up with oxides. When this happens, they stop working.

Traditionally, the oxide layer is burned off by running a rich air-fuel mixture for a short time, a method called regeneration. This enrichment is not ideal because running rich means more emissions during regeneration. Porsche’s new idea aims to find a better way to get rid of the oxides without wasting fuel and creating higher emissions.

The Innovative Method: EGR and Timing Control

Porsche is trying a different approach. The goal is to heat the catalytic converter by adding more exhaust gas recirculation (EGR), reducing ignition timing advance, or applying both.

To achieve more EGR, where exhaust gases are put through the engine a second time, Porsche will use variable valve timing. Changing valve overlap can pull large volumes of exhaust gases back into the cylinder, instead of relying solely on the small EGR tube already used for normal operation. Pushing that air through, instead of oxygen-laden fresh air, helps with the regeneration.

Synergy of Timing and Pressure

The second complementary method is late ignition timing. More advanced ignition timing (earlier spark firing) increases horsepower and efficiency, but it also increases nitrogen oxide emissions.

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By reducing ignition timing advance, output is lowered, but nitrogen oxide emissions are also reduced. Pulling timing during regeneration means reduced work for the catalytic converter while it is being cleaned out. To ensure the entire process goes to plan, the Electronic Control Unit (ECU) will also adjust turbo boost pressure and throttle openings as needed. The expected result is a more complete regeneration of the catalytic converter with reduced emissions during the process and a seamless effect for the driver.

Benefits for the Driver and the Planet

The long-term effects are twofold. Keeping down smog and toxic carbon monoxide levels is good for everyone. Ensuring that the catalytic converter lasts longer and maintains its maximum flow is better for the driver. This allows owners to push their vehicles hard without worrying about their wallet or the air.

INTELLIGENT MOBILITY

Stellantis Expands Connect One Benefits for 2027 Models

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Stellantis is enhancing its Connect One platform for 2027 model-year vehicles by adding remote engine start, lowering Wi-Fi subscription costs, and expanding connected services across multiple brands.

Stellantis is expanding its Connect One connected services platform for the 2027 model year, adding remote engine start and stop through the mobile app while reducing the monthly cost of its Wi-Fi Plus subscription. The updates apply to most Chrysler, Dodge, Jeep, Ram, FIAT, and Alfa Romeo vehicles sold in the United States.

The enhanced package gives owners more convenience, connected features, and long-term value through a standard 10-year service plan.

Stellantis expands Connect One benefits across its 2027 vehicle lineup.

Remote engine start joins the standard package

One of the biggest updates is the addition of remote engine start and stop through the brand’s mobile app, allowing drivers to warm up or cool down their vehicle before getting behind the wheel.

The standard Connect One package now includes:

  • Remote engine start and stop
  • Remote door lock and unlock
  • Over-the-air software updates
  • Monthly vehicle health reports
  • Recall and maintenance alerts
  • Service scheduling
  • Automatic SOS emergency calls
  • Remote personal data deletion
  • Access to in-vehicle games through the App Market

These features are included for 10 years at no additional cost on most eligible 2027 model-year vehicles.

Remote engine start is now included with the standard 10-year Connect One plan.

Lower Wi-Fi pricing and expanded connected services

Stellantis also reduced the monthly cost of its Connect Wi-Fi Plus subscription to $15.99, lowering the price by $2 per month. Customers who activate the service within 30 days of purchasing their vehicle receive a three-month free trial.

The subscription includes:

  • Unlimited Wi-Fi hotspot connectivity for up to eight devices
  • Connected navigation services
  • Vehicle finder
  • Stolen vehicle assistance
  • Theft alerts
  • Remote horn and light activation

Certain models receive additional benefits. The 2027 Jeep Grand Wagoneer, Wagoneer S, and Alfa Romeo lineup include three years of premium connected services at no extra cost, while selected Jeep and Dodge models continue using the SiriusXM Guardian platform with extended safety and assistance features.

The latest updates reinforce Stellantis Connect One as one of the most comprehensive connected vehicle platforms available, combining convenience, safety, and digital services while reducing ownership costs for customers.

Stellantis also lowered the price of its Wi-Fi Plus subscription while expanding connected services across multiple brands.

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INTELLIGENT MOBILITY

Home EV Charging Guide: Everything GM Owners Need to Know

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Home EV charging is easier than many drivers think. Here’s everything GM EV owners need to know about charging, installation, costs, and charging standards.

Charging an electric vehicle at home is the most convenient and cost-effective way to keep a battery full. According to industry estimates, more than 80% of EV charging in the United States happens at home, making public charging a secondary option for most drivers. Understanding the different charging levels, connector types, and installation requirements can help owners get the most from their electric vehicle.

Most EV owners recharge their vehicles at home using Level 1 or Level 2 charging.

Level 1 vs. Level 2 home EV charging

Home EV charging comes in two primary forms. Level 1 charging uses a standard 120-volt household outlet and requires no special installation. While it’s the simplest solution, it typically adds only 3 to 5 miles of driving range per hour, making it best suited for drivers with short daily commutes.

Level 2 charging operates on a 240-volt circuit and requires professional installation. The faster charging speed makes it the preferred solution for most homeowners, with compatible GM home chargers capable of adding up to 44 miles of range per hour. Many workplaces, hotels, parking garages, and public locations also offer Level 2 charging.

Level 2 charging provides significantly faster charging speeds than a standard household outlet.

Understanding NACS and CCS charging connectors

Modern GM electric vehicles are transitioning to the North American Charging Standard (NACS), while previous models use the Combined Charging Standard (CCS1/J1772) connector. The difference is simply the charging plug design, and adapters allow owners to use either standard without replacing their home charging equipment.

Installing a Level 2 charger requires a qualified electrician, who will determine whether the home’s electrical system can support the new circuit. Installation costs vary depending on the home’s electrical panel, wiring distance, and available capacity.

Smart charging helps reduce costs

Many electric utilities offer lower electricity rates during off-peak hours, allowing owners to schedule charging overnight and reduce operating costs. GM’s mobile apps also let owners monitor battery status, set charging limits, and schedule charging sessions remotely.

For daily driving, charging to 80% is generally recommended to help preserve long-term battery health, while charging to 100% is best reserved for longer road trips.

Smart charging allows EV owners to schedule charging during lower-cost overnight hours.

Home charging also unlocks advanced technologies such as vehicle-to-home (V2H) capability. Compatible GM EVs paired with the appropriate charging equipment can supply electricity to a properly equipped home during a power outage, while optional home energy storage systems can store excess electricity for later use.

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INTELLIGENT MOBILITY

GM EV Charging Network Expands to 120+ IONNA Stations

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GM EV drivers can now access more than 120 IONNA fast-charging stations across the United States with seamless charging through Energy Pass.

Electric vehicle owners driving Chevrolet, Cadillac and GMC models now have access to an even larger public charging network as IONNA continues expanding across the United States. Backed by General Motors and seven other major automakers, the fast-growing charging network now operates 122 charging locations nationwide with 1,166 DC fast-charging stalls, making long-distance EV travel more convenient than ever.

The expansion also strengthens GM’s charging ecosystem by integrating IONNA directly into the company’s Energy Pass platform, allowing drivers to locate chargers, start charging sessions and pay without downloading additional apps.

GM EV drivers now have access to more than 120 IONNA fast-charging stations across the United States.

GM expands fast charging across the United States

IONNA continues rapidly expanding its footprint with stations strategically located across major travel corridors.

Many of the new locations feature IONNA Rechargeries, offering drivers amenities such as:

  • Fast charging up to 400 kW
  • Food and beverage options
  • Modern restrooms
  • Well-lit charging areas
  • Comfortable rest stops during charging sessions

The network is designed to reduce charging times while providing a better experience for EV owners traveling long distances.

IONNA Rechargery locations combine ultra-fast charging with convenient traveler amenities.

Energy Pass simplifies public EV charging

GM’s new Energy Pass integrates public charging directly into the MyChevrolet, MyCadillac, and MyGMC mobile apps.

Instead of creating multiple charging accounts, drivers can:

  • Find compatible charging stations
  • Start charging remotely
  • Pay directly through one account
  • Use Plug & Charge for automatic authentication
  • Receive a 10% discount when charging at participating IONNA stations

The system also provides access to multiple charging providers through a single interface.

Energy Pass allows GM EV owners to access multiple charging networks from one app.

More charging options for GM electric vehicles

Beyond IONNA, Energy Pass also connects GM customers with several of the nation’s largest charging networks, including Tesla Supercharger, Electrify America, and additional providers that continue expanding throughout the country.

Combined, these networks provide access to nearly 70% of all DC fast chargers in the United States, giving GM EV owners significantly greater charging flexibility whether commuting daily or taking longer road trips.

As IONNA continues opening new locations nationwide, General Motors is strengthening one of the most important aspects of EV ownership: convenient, reliable and easy-to-use public charging infrastructure.

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