Why Should People Care About Autonomous Transportation?

Autonomous transportation is emerging across the world, from personal vehicles to Tesla’s proposed semi trucks that drive in convoy with a lead vehicle handling autonomous follow trucks. Intel is also planning to test a fleet of one hundred autonomous cars and Hyundai’s planning to showcase its self-driving technology at the biggest winter sports event of 2018.

While many have heard of self-driving cars and other road-based vehicles, it may come as a surprise to learn just how far technology has advanced in autonomous transportation. The Swiss bank UBS, suggests that autonomous airplanes could be in place by 2025, a feat that would save airlines $35 billion a year. Clearly, the benefits are drastic and it is becoming essential for companies to invest in making autonomous travel work.

Even further into the future, companies like Next Future Transportation are envisioning pod travel, through which individual vehicles will autonomously transport people from point A to point B.

Next Future Transportation’s autonomous pod (Source: Next Future Transportation)

No matter the type, the economic impact of autonomous transportation technology is unavoidable. Boston Consulting Group expects that the driverless car market will be worth $42 billion by 2025 and $77 billion by 2035, and IHS suggests driverless car ubiquity will hit around 2050.

In terms of what these automated vehicles offer to the public, the Eno Centre for Transportation reports that if 90 percent of American roads were autonomous, accidents would drop from 6 million a year to 1.3 million; deaths would fall from 33,000 to 11,300. Add in better traffic conditions, higher fuel efficiency and extra time gained from not driving, and it’s easy to see why companies are taking notice of this tech sector.

Who is Investing in Autonomous Transportation?
Autonomous transportation entails investment from various industries from materials to technology, and major players are making early moves. Tesla is a good example of a specialty vehicle company determined to see autonomous transportation become a worldwide reality.

Big names in traditional transportation are also jumping aboard. General Motors purchased Cruise Automation, and Ford has invested in an AI startup, Argo AI. Audi has created a subsidiary, the SDS Company, focused on self-driving technology, and BMW has formed an alliance with Intel and Mobileye.

There are also auto suppliers getting into this market, such as Magna, a supplier that is manufacturing vehicles as well as providing the parts to help more traditional companies jump into automated vehicles.

Tech giants like Microsoft are getting involved, too, collaborating with automakers to include their own technology in self-driving vehicles, as well as to research and develop automated transportation technology.

Whether companies are involved in creating the actual vehicles that will be automated, providing security and safety features, pursuing further research, or providing the materials needed to create these vehicles of the future, it is safe to say that this industry is growing rapidly.

Autonomous Transportation and the Steel Industry
A shift toward autonomous transportation is good news for the steel industry. At first glance, it seems steel consumption will decrease as fewer car accidents will lead to less demand for repair parts and more room to use other materials for aesthetic purposes. However, demand for high-strength, premium steels that are highly sought after in traditional cars will continue to increase.

Materials like POSCO GIGA STEEL provide greater strength and safety for automated vehicles, an important consideration when one considers a road full of cars driving themselves. While people may no longer be behind the wheel, they will want to know that their cars, and the cars around them, are made to the highest safety standards. Safety regulations for traditional cars are only getting tougher, and that won’t change with autonomous vehicles.

POSCO’s PBC-EV made with POSCO GIGA STEEL

High-strength steel allows car makers to lightweight their vehicles without compromising safety. POSCO GIGA STEEL’s lightweight properties make it a sustainable solution for automated vehicles that aim to leave a minimal carbon footprint and maximize fuel efficiency. Even better, it is affordable; an important factor considering the overall cost of the technology and hardware that goes into automated vehicles.

The steel industry will also see a boost in the need for accompanying facilities for automated transportation, including manufacturing plants, parking structures, charging stations, smart roads and so on. While automated transportation may be high tech, there will be plenty of opportunities for those in the steel industry to provide material solutions to a rapidly growing market.

Cover photo courtesy of Auto Evolution.

Several factors are contributing to the growing interest in electric vehicles. Stricter CO2 emission standards are changing the way cars are being made, and consumers are becoming more environmentally conscious at the same time. To produce more fuel efficient vehicles, car makers are looking to advanced materials in lightweighting that can help make vehicles more eco-friendly while being safe and affordable.

The Push to Reduce Carbon Emissions

In the US, the transportation sector produces nearly 30 percent of all global warming emissions, and more than half of those emissions come from passenger vehicles. Between 1990 and 2004, the average fuel economy of new vehicles actually decreased, but since 2005 those numbers have begun to improve, resulting in less greenhouse emissions (see chart below).

Greenhouse gas emissions from the transportation sector remain high but have gone down in recent years. Increased efforts by the auto industry to produce more fuel-efficient cars is helping this trend. (Source: EPA Inventory of US Greenhouse Gas Emissions and Sinks: 1990-2014)

As air pollution gets worse and global temperatures continue to rise, governments, consumers, and car manufacturers have all seen the urgency in creating more fuel-efficient vehicles. However, in order to build electric vehicles, hybrid cars, and even more fuel efficient combustion engine autos, new materials and production methods must be used. Specifically, cars need to be lighter.

Reducing Weight, Reducing CO2 Emissions

The heavier a car is, the more fuel is required to move it. A study from MIT found that for each 100-kg reduction in a car’s body weight, fuel consumption could decrease by about 0.3 L/100 km for cars and about 0.4 L/100 km for light trucks. This not only translates into fewer CO2 emissions but also into cost savings for consumers. The following table provides estimated fuel cost savings for a range of weight reductions. Today’s cars and light trucks weigh between 1,000 to 3,800 kg.

Manufacturers have been testing new materials to use in their cars in order to make the weight reductions necessary for a viable EV. Utilization of alternative materials like aluminum, magnesium, and carbon fiber components are increasing due to their lightweight properties. However, additional financial and environmental costs remain high.

In the past, in order to make steel lighter, sacrifices had to be made in strength and ductility. However, recent innovations in advanced high-strength steels (AHSS) have been able to bridge that gap. To demonstrate the recent advancements made with AHSS, engineers designed the PBC-EV, or POSCO Body Concept-Electric Vehicle, using POSCO GIGA STEEL. The PBC-EV car body was able to achieve a 26.4% reduction in total weight when compared to cars of the same size without any sacrifices in safety or structural integrity. 

The Eco-friendly Life Cycle of AHSS

When measuring greenhouse emissions of cars, one must also look beyond the immediate impact of gasoline consumption and view the material more holistically through a life cycle assessment. The emissions costs related to the extraction and production of automobile materials can be high. However, technological advancements in steel production have been able to reduce CO2 emissions – helping to make it one of the most eco-friendly materials for car makers.

Based on its life cycle assessment, measuring carbon dioxide emissions from production to recycling, POSCO GIGA STEEL performs remarkably well as an eco-friendly material. Steel emits 2.0 to 2.5 kg of carbon emissions when producing 1 kg of material while aluminum emits 11 to 12.6 kg when producing the same amount. Even after production, cumulative greenhouse gas emissions of vehicles made with steel is 10% lower when looking at the full life cycle.

Lastly, steel remains the most recycled materials on the planet, and automobiles maintain a recycling rate of nearly 100 percent. Almost all steel products contain recycled steel as steel scrap is a necessary ingredient when producing new steel.

Advancements in AHSS have allowed the auto industry to move beyond the barriers that have held it back in the past. As consumers demand more fuel efficient driving options and as governments around the world impose more strict emissions standards, material advancements in steel will become more critical. It is the breakthroughs in steel technology like these that are helping to bring lightweight, fuel-efficient cars to market.

Throughout April and May, The Steel Wire is exploring trends in the auto industry and how POSCO’s innovations in automotive steel is leading the way toward lighter, stronger, and more affordable cars.