Ad Blue is a solution of urea in demineralized water.

AdBlue is a solution of urea in demineralized water.

The BYNOX SYSTEM reduces NOx emissions by injecting a urea solution directly into the flow of exhaust gases.

AdBlue® must be used in most diesel vehicles (cars, vans, trucks and buses), bought after October 2006.

Ad Blue is a solution of urea in demineralized water.

AdBlue is a solution of urea in demineralized water.

Special Report of the USAF Scientific Advisory Board Ad Hoc Committee to Review Project 'Blue Book' (The 1966 O'Brien Committee Report)

Sagan’s link to UFOs and possibly to Dr. Hynek occurred in 1966 when Sagan was a member of the Ad Hoc Committee to Review Project Blue Book.

Based on the “So blue, so blue” exhibition by Ad van Denderen the challenges of migration and globalization in Mediterranean countries will be publically debated.

Sagan’s link to UFOs and possibly to Dr. Hynek occurred in 1966 when Sagan was a member of the Ad Hoc Committee to Review Project Blue Book.

The Aviary: Using Brother Blue's analogy an ad-hoc dysfunctional family of disparate military/intelligence spooks...

In so blue”, Ad van Denderen questions the influence of these problems on the region’s populations and how they are evident in everyday life.

Concept of Blue Moon on the lunar surface. | Image: Blue Origin

Special Report of the USAF Scientific Advisory Board Ad Hoc Committee to Review Project "Blue Book", March 1966.

Special Report of the USAF Scientific Advisory Board Ad Hoc Committee to Review Project 'Blue Book' (The 1966 O'Brien Committee Report)