| Many hybrids use aerodynamic design to reduce drag and improve fuel efficiency. |
| To stay competitive growers must introduce new hybrids to their acreage on a regular basis. |
| Valved horns were permitted, in the light of Wagner's own equivocation about them, joining those valved horn hybrids known as Wagner tubas. |
| More hybrids are expected in the near future and competition should keep prices realistic. |
| Two putative hybrids between Kalmia and Rhododendron are cultivated by enthusiasts and their status has always been the subject of debate. |
| She was able to screen more than 50 million seeds looking for possible hybrids and found in the end only two. |
