There is no clear national standard of laws for autonomous vehicle

As of 2025, self-driving cars continue to be unavailable to consumers

These vehicles rely on radar, cameras, lidar, and advanced AI to process data and make real-time driving decisions. Companies like Waymo and Mercedes-Benz are testing autonomous cars on public roads, but challenges remain, including technical reliability issues, regulatory hurdles, and a lack of consumer trust.

The Society of Automotive Engineers sorts self-driving technology into six levels

At level 0, a vehicle cannot intervene on its own, and the driver controls all navigation. At level 3, the car operates autonomously under limited conditions, but a human can still take control. A future level 5 vehicle drives itself and lacks a steering wheel or pedals.

In 2023, self-driving cars drove 3.3 million miles on California's roads

According to the state's DMV, the mileage represented a fivefold increase from the previous year. General Motors' Cruise and Alphabet's Waymo accounted for the bulk of miles, though 38 companies have received permits to test autonomous vehicles in the state.

Self-driving vehicles have the potential to cut ride costs by 40-50% and eliminate thousands of road deaths

Author Andrew Miller argues that widespread adoption of self-driving vehicles is no longer a distant promise, as Waymo expands into over 15 cities. However, he warns the technology's biggest remaining hurdles are political: liability, labor, and whether cities embrace or resist the shift.

Explore the National Highway Traffic Safety Administration's guide to automated cars

This page provides answers to questions on topics ranging from liability for crashes involving autonomous cars to the safety benefits of these cars. A timeline of the evolution of automated safety technologies is also provided.

Nearly every major automaker now offers a hands-free driving system

The capabilities of these systems range from automatic lane changes via eye-tracking to an assistant that reminds you to check your blind spot before changing lanes yourself. Most systems still require the driver to remain alert and be prepared to take over.

The aviation industry built trust in automation by keeping pilots in the cockpit

Nearly 70% of Americans feel uncomfortable riding in a driverless car, and 81% of them would not fly on a pilotless plane. However, automated systems on planes were slowly introduced and advertised as enhancing safety—an approach that may benefit driverless vehicles.

As of 2024, 13 states have plans to phase out gas-powered cars

In 2022, California adopted the Advanced Clean Cars II Act, which requires all new passenger cars, trucks, and SUVs sold to produce zero emissions by 2035. Other states adopted similar laws, joining more than 50 countries with phaseout plans.

Autonomous vehicles have been confirmed to reduce greenhouse gas emissions

Research indicates that self-driving cars can reduce harmful pollution through lower traffic, decreased parking demand, and optimized driving behavior. These benefits can be enhanced further in smart cities with responsive traffic signals.

44 states in the US have implemented ride safety laws

Rides are developed and tested for years before they host passengers. Maintenance teams perform various tests every day before opening coasters to the public. The chances of risk are rare, as exemplified in 2019 when amusement parks saw .8 injuries per million rides.

In 2019, Tesla's autopilot system misinterpreted emergency lights and crashed

A Tesla Model X collided with stopped emergency vehicles on a Texas highway when flashing lights created hazy images that the software could not interpret. The crash injured five people and hospitalized another person while highlighting the challenges of autonomous systems.

Acoustic Vehicle Alerting Systems provide motor sounds in electric vehicles

Since 2019, various global standards have set requirements for these systems, which seek to mimic combustion-engine sounds by meeting specific sonic criteria, including sound pressure, frequency, and pitch. Sound engineers design these systems to meet these requirements, ensuring that passers-by, particularly the blind and visually impaired, can detect the presence of a vehicle.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

Inside a recent Lyft lawsuit

Over the past few years, there have been a few lawsuits regarding the way gig workers are classified as employees. Specifically, these lawsuits aim to see if gig workers (like Lyft drivers, in one recent case) should be classified as full-time employees or independent contractors. For more information, read this article.

Are psychedelics legal in your state?

The answer is usually more complicated than a simple yes or no. This resource includes a state-by-state and international breakdown of current psychedelics legislation and reform. As of November 2023, psychedelics are fully illegal in 18 states, though there still may be religious or medical exemptions depending on the drug in question. Legislation reform and decriminalization efforts are ongoing.

Learn about the bodies that govern the US commercial airline industry, such as the FAA

The Federal Aviation Administration (FAA) regulates US air travel, monitoring both safety and advancement. But despite deregulation in the 1970s, the industry has other governing bodies, too, including the US Department of Transportation and the TSA.

The status of federal pay transparency legislation

While many US states have pay transparency laws, no similar legislation has been passed at a federal level. However, the Salary Transparency Act was introduced in Congress in March 2023. For details about what that legislation would mandate and its status in the US House and Senate, click here.

Driver education was largely removed from public schools in the 1990s

Maintaining fleets of cars proved too expensive for many school districts, relegating driver education to private classes taken outside of school.

All states did not require a unanimous jury verdict to convict until a 2020 Supreme Court case

In Ramos v. Louisiana, the court ruled that the Sixth Amendment requires unanimous jury verdicts to convict in criminal cases, overturning laws in Louisiana and Oregon that had allowed convictions with only 10 of 12 jurors in agreement.

IVF is legal across America, but some worry that state bans could curtail this reproductive technology

This reproductive technology is available across the US, but if states take action to prohibit the discarding of unused embryos or pass related legislation, it could affect access to IVF. Laws prohibiting IVF or effectively outlawing the procedure by defining personhood as being conferred at the moment of conception have been under discussion in several states in recent years, including Ohio, Virginia, and Texas.

Despite originating in America, happy hour isn’t allowed in every state

States including Vermont, Massachusetts, and Utah started banning the discount drinking practice after anti-drunk driving advocacy entered the mainstream. This article has more details about happy hour bans across the United States.

See this overview of the firework rules across all 50 states, ranging from a complete ban on non-professional fireworks in Massachusetts to states with more lax rules like Indiana.

The US has 575 federally recognized tribal nations, each a sovereign government

Tribal governments are sovereign, with authority to pass laws, run courts, and levy taxes on their lands. Unlike cities or counties, they are not created by states. Their sovereignty predates the United States itself and is recognized in the Constitution, treaties, and federal law.

37 states today limit how long governors can serve

Most states cap governors to two consecutive four-year terms, though rules vary—Virginia is unique in allowing only one term at a time. These limits reflect a long tradition of restricting executive power at the state level.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

Why deep-sea mining companies may begin extraction without global guidelines

International Seabed Authority negotiators have spent over a decade drafting regulations that all countries would have to follow before collecting minerals from the seabed. Because deadlines to finalize these agreements have been missed, some entities have discussed unsanctioned mining, despite about three dozen ISA countries calling for a pause on activity and automakers and tech firms pledging they will not use seabed minerals.

In the US, 'organic food' is defined by the USDA

Food products can only be classified as “organic” if they meet the standards defined by the US Department of Agriculture. For crops, that means avoiding prohibited substances and genetic engineering, among other requirements. For livestock, that includes a minimum number of grazing days.

Napa was the second officially sanctioned wine-growing region in the US

In 1979, the ATF created the American Viticultural Area system. Modeled on similar European systems, it delineated wine-growing regions in the United States. Napa Valley was the second AVA established—the first was in Missouri. Now, any wine labeled with the Napa Valley AVA must source 100% of its grapes from that area.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

An Ebola vaccine was developed during the 2018 west African Ebola outbreak, but the 2026 Ebola outbreak is with a different species of the virus, not the one that the vaccine is approved to treat.

Researchers believe the brain consolidates memories, processes emotions, and plans for the future during dream states

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Track the location of the Voyager probes, currently between 13 and 15 billion miles away from Earth.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

Venture capital is a form of funding provided to early-stage companies with high growth potential, typically in exchange for an equity (or ownership) stake

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

The first robot in literature may have been a 'mechanical man' in 1907's 'Ozma of Oz,' a book in L Frank Baum's 'Wizard of Oz' series.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in terms of casualties, forces mobilized, and displacement of civilians.

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

Pure water does not conduct electricity because this flow of energy requires the movement of charged particles, and water is a neutral molecule.