High Mileage Vs. High Mileage Extended Performance Motor Oil: What's The Difference?
Browsing the engine oil shelves, you might see high mileage oil, but right next to it is high mileage extended performance oil. What's the difference?
Read MoreBob Sharp
SlashGear Editorial Policies
SlashGear's content hails from a group of experienced technology and automotive editors and a wide-ranging team of writers, engineers, enthusiasts, and experts across consumer tech and transportation. Our goal is to provide up-to-the-minute breaking news coverage as well as original and engaging opinion and editorial content that serves as the ultimate resource for those who want to stay up to date on the latest and greatest the industry has to offer.
Our editors, advisors, and fact-checkers conduct regular reviews to ensure the accuracy, timeliness, and completeness of our articles. Complete information on our editorial process available here.
Stories By Bob Sharp
-
-
What Is The 30/70 Rule When Flying A Plane?
Safety is paramount in aviation, and easy-to-remember rules minimize the likelihood of accidents in the air and on the runway.
Read More -
The US Navy May Choose Foreign Shipyards To Help Build The 'Fleet Of The Future'
Despite ranking among the world's top navies, the U.S. has a shipbuilding capacity problem and is being outpaced by competitors.
Read More -
Why Do Jets Use Generators Instead Of Alternators?
Modern jets are truly incredible pieces of engineering. With all the electronics on board, it's no surprise they use generators. Why not alternators?
Read More -
5 Formula 1 Drivers Whose Careers Ended Too Soon
Formula 1 is the top dog in the world of motorsport, but it's dangerous and requires a lot of commitment. A few drivers had their careers cut short.
Read More -
E15 Gas Vs Fuel Economy: How Many MPG You Could Be Losing
E15 gas can cost less at the pump, but its ethanol content may affect fuel economy in ways drivers should understand before filling up.
Read More -
Fuel Laws Quietly Changed Your Engine Oil - Here's What That Means For Your Tank
Modern diesel fuels are designed to reduce emissions, but they also introduce some new challenges because the engine is operating under a different environment.
Read More -
China Claims A New Breakthrough In Alternative Fuels: Could It Solve Global Oil Problems?
China says it’s turning CO2 and water into jet fuel with a new breakthrough process — but can this technology really change the future of energy?
Read More -
4 V-Twin Motorcycle Engines More Powerful Than The Harley-Davidson Milwaukee-Eight
Think the Harley-Davidson Milwaukee-Eight is the king of the road? Discover the four incredibly powerful V-twin engines that leave it in the dust.
Read More -
How A Rural Ohio High School Scored A Retired Thunderbirds F-16 Fighter Jet
Few U.S. school campuses can boast the presence of one of the most iconic fighter aircraft of the previous century on their front lawn.
Read More -
The 'Maverick Act' Could Lead To The US Flying F-14D Tomcat Fighter Jets Again
A new bill moving through Congress could see a legendary retired fighter jet return to the US sky. Discover the "Maverick" plan to save this icon.
Read More -
Closed Deck Vs. Open Deck Engine Blocks: What's The Difference?
Very rarely, the terms open deck and closed deck get tossed around when it comes to automotive engines. What's the difference between the two?
Read More -
These Luxury Swiss Watches Cost More Than Most Cars For A Reason
Luxury Swiss watches can look small next to a car, but one brand shows how unusual design and precision engineering can push prices sky-high.
Read More -
Why Fuel Economy Tanks 25% When You Hit 75 Mph: The Physics Explained
Cars are built to be most fuel efficient at a specific speed. The faster you go, the more gas you use to maintain that speed. Here's how the science works.
Read More -
Why The US Navy Never Flew The F-15 Eagle
The F-15 Eagle is a legend of the skies, and it earned that reputation despite never flying for the U.S. Navy. Here's why the Navy opted against the F-15.
Read More -
The '90s Volkswagen Engine That's One Of The Most Reliable Of All Time
A cast iron engine black and relative lack of complicated electronics means that if properly serviced, this engine can last a very long time.
Read More -
What Tire Brand Does Harley-Davidson Use As OEM On Most Of Its Motorcycles?
Tires aren't exciting, but they're an essential part of any motorcycle. Which tire manufacturer does Harley-Davidson turn to for its bikes, though?
Read More -
Why So Few Motorcycles Use Desmodromic Valvetrains In Their Engines
Since the 1950s, some motorcycles, notably ones from Ducati, have used desmodromic valvetrains in their engines. Why is this such a rarity nowadays?
Read More -
These High-Tech 'Smart Scopes' Could Be America's Best Answer To Enemy Drones
Countries around the world are creating new devices to defend against drone attacks in modern warfare. This scope uses artificial intelligence to do so.
Read More -
North Korea's New Navy Destroyer Could Reportedly Rival America's Burke-Class Ships
North Korea's navy might not be big on the world stage, but they are claiming they've built a destroyer that can rival America's equivalent vessels.
Read More -
Not ChatGPT, Not Claude: This AI Platform Ranks Highest For Customer Satisfaction In 2026
A new AI platform satisfaction study for 2026 compared ChatGPT, Claude, Copilot, Gemini, Grok, and Perplexity, with one taking the top spot.
Read More -
USS Nimitz Was Cruising To Retirement Until The Navy Changed Its Route
The USS Nimitz appeared headed for retirement after decades of service, but a sudden change in plans has kept the historic aircraft carrier in the spotlight.
Read More -
What Happens When An Engine Derates? Here's What You Should Know
If you have a vehicle with a diesel engine, it's good to know that the engine can derate itself, depending on various factors. What does this mean?
Read More -
The Top Supercomputer In The World Is Also The Largest In The US
The world's most powerful supercomputer isn't just incredibly capable, it's also the largest one in the U.S. — at least, if we go by one particular metric.
Read More -
If Two Major US Airlines Merged Together, What Would That Mean For Flyers?
A potential merger between two major airlines raises big questions about ticket prices, routes, and competition, but what would it actually mean for flyers?
Read More -
How Much Fuel It Would Take For An F-35A To Fly From The US To China?
Although the F-35A can be refueled mid-air to extend its range, it would still take quite a bit of fuel to cross the ocean and make it from the U.S. to China.
Read More -
Are Flat Engines Better Than V Engines?
The configuration of an engine isn't just about power. Designers have to take size, shape, and available space into consideration, too.
Read More
