M.G. Oil Company

M.G. Oil Company This page is designed to provide information for all things fuels and lubricants provided by MG Oil locations.

We service a large area with warehouses located in Rapid City, SD and Gillette, WY.

06/03/2026

The markets are up thanks to escalating actions in the middle east. For simplicity, any positive negotiations that hit the news, it will send the market down, and any negative news or escalation amongst the wars going on will send the market up. From an actual supply and demand conversation, their is plenty of supply, just not plenty of routes to get the supply where it needs to go. This is causing a shortage in finished products, as the crude is not getting to the right locations to be refined. Prices continue to soar, it will likely have a downward impact on demand. That being said, we are headed into our higher demand times with travel, harvest, etc.

Crude is up at $96.20
RBOB is up at $3.1802
HO is up at $3.8332

06/01/2026

Markets climbed higher Sunday night and into this morning on new developments of fighting between Russia and Ukraine, Israel and Lebanon as well as the US and Iran. The market pricing fluctuation continues on the optimism and pessimism of the news surrounding the oil supply and supply channels. We are hitting a time where we are starting to see shortages in finished l***s, especially those needing group 3 base stocks. Russia just put a ban on shipping Jet fuel, which will start to impact that market.

Crude is up at $90.01
RBOB is up at $3.0902
HO is up at $3.5886

05/28/2026

The markets dipped down most of yesterday and the barrel of crude was around $88, but the markets have rebounded slightly this morning on increased instability of the supposed truce between the US and Iran. We took down some drones, and they attacked a military base. This created a slow down/halt of shipping traffic through the strait of Hormuz. Both countries appear to be measuring each other up, and that will move the markets up.

Crude is at $91.18
HO is at $3.6498
RBOB is at $3.1902

05/26/2026

We have more news surrounding the closure of the Strait of Hormuz, along with the US military actions that have been taken. Negotiations are still being had, and hopefully we will see some form of resolution in the near-term.

Crude is at $92.90
HO is at $3.7997
RBOB is at $3.3091

These prices were as of this morning.

05/22/2026

Mathematical equation and scientific reasoning for saving money when it comes to gas. Charles's and Gay-Lussac's laws of gas expansion states at 32 degrees F the expansion rate is 1/491.67 for every 1 degree F increase in temperature. I'm not a math guy, but, if you fill up at 6am and the temperature is 32 degrees F, and you park your car and drive it at 2pm, when it is 82 degrees F (change of 50 degrees) you will have increased that 20 gallons of gas in your car by a little over 10% or 2 gallons.

Do I have any math wizards that follow us to verify my calculations?
((1/491.67) x 50) x 20 (gallons of gas purchased at 6 am) = 2.034 gallon increase. 1/491.67 is gas expansion. 50 is the degree change in F. 20 is the gallon of gas purchased hypothetically.

05/22/2026

News is on repeat day after day it seems like lately, but crude and products are down.

Crude is at $96.75.
RBOB is at $3.4219.
HO is at $3.9158.

Make plans to attend this local great event!
05/21/2026

Make plans to attend this local great event!

🇺🇸 The Black Hills Roundup Parade returns to Belle Fourche on July 4th at 10:30 AM, bringing the community together to celebrate America’s 250th birthday! Businesses, bands, and community groups, we want YOU to be part of one of the biggest Fourth of July traditions in the region.

📅 Parade Date: July 4
⏰ Start Time: 10:30 AM
📝 Registration Deadline: June 12
🔗 https://www.blackhillsroundup.com

Get your entry in today and help make this year’s parade one to remember! 🇺🇸

Belle Fourche Chamber of Commerce City of Belle Fourche Black Hills & Badlands Tourism Association Miss Black Hills Roundup

Go down and see our friends in Hot Springs for some summer tunes!
05/21/2026

Go down and see our friends in Hot Springs for some summer tunes!

Who’s ready for some MUSIC 🎶🎸🥁

The 2nd Annual Rockin Riverside Summer Concerts, are on thee way! 🎶

We’re kicking off this year’s performances with a bang and ending the same way! 🎸🥁

All Summer long you’ll find us at Centennial Park, 275 N. Garden St, Hot Springs, SD. Bring your family and friends and we’ll bring the vibes! 🎸🎶

05/21/2026

The markets remain down from a previous post, but did turn upwards overnight and into the morning. This seems to be the new normal pattern. Risk and uncertainty move the markets upwards. A post declaring a resolution nearing moves the market downward. A day or two passes without an actual resolution and the risk starts winning again.

Crude is at $101.05
RBOB is at $3.5150
HO is at $3.9988

Gillette College Technical Training Center - Home of our MSHA training!  Our fuels and lubricants division makes sure we...
05/21/2026

Gillette College Technical Training Center - Home of our MSHA training! Our fuels and lubricants division makes sure we are prepared to deliver to our valued partners. Our staff is committed to ensure that 100% of our division is MSHA certified. We also have 3 oil sales reps that have completed and maintain their CLS through STLE. We even have a certified staff member with their OMA-1 certification through STLE. We do everything we can to ensure we bring value added sales experience and safety recognition to the table.

’tJustSell

Address

3250 Eglin Street
Rapid City, SD
57703

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(605) 341-4550

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